It always astounds me just how often this comes up as a search request... It was old when I downloaded it, and that was in 2004. I see it generally every 3 months or so on one forum or another.
Personally... while I thought it an ok story, I've never understood the extremely large following it has gathered.
It has been on a ton of sites, almost all are gone, and fewer have all of it.
This has link *most* of it, including your missing chapter.
RANMA 'Fragments' by Ling - [Dld Date=01/28/2004] - [Dld Size=736kb] - [Dld Files=9] - [Status=Complete]
While that has the main story line. It is missing parts. Here is the complete list of parts:
Fragments 1
Fragments 2
Fragments 3
Fragments 4
Fragments Asymptotes
Fragments Becoming Danna
Fragments becoming Geisha
Fragments Wanderlust
Fragments Water
and 2 images
As for the images... depending where a person got them from originally they were either JPG, or BMP format, but they were the same two images either way.