This is one of the most comprehensive and cleanly typeset guides available. It covers numerous chapters, including Chapter 4. You can find the unofficial solution guide on his website or via GitHub if you want to see the source code.
If you are looking for an specifically for Chapter 4, you can: dummit+and+foote+solutions+chapter+4+overleaf+full
Automorphisms and their relationship to group structure. This is one of the most comprehensive and
Problems involving Group Actions and the Orbit-Stabilizer Theorem . dummit+and+foote+solutions+chapter+4+overleaf+full
Several repositories host LaTeX source files specifically for Dummit and Foote exercises. For instance, robertzk’s GitHub contains various chapter solutions in .tex and .pdf formats.