I used to solve such equations in maxima before, but this time it does
not yield any answer.
find_root(sum(1/(C+0.055*i), i, 1, n)-9.09264803473413=0, C, 3.4, 3.5);
the solution should be approximately 3.44 (i have done it with
goalseek function with a spreadsheet program).
Maxima version: 5.20.0
Maxima build date: 22:10 12/8/2009
Host type: i686-pc-mingw32
Lisp implementation type: GNU Common Lisp (GCL)
Lisp implementation version: GCL 2.6.8
Regards...
AAP