\[\boxed{\mathbf{4.}\mathbf{118}}\]
\[\textbf{а)} - 4916 < - 3115\]
\[\textbf{б)} - 32,72 < - 32,68\]
\[\textbf{в)}\ - \frac{4}{5} = - 0,8 > - 0,9\]
\[\textbf{г)} - 2,57 > - 2\frac{3}{5} = - 2,6\]
\[\textbf{д)}\ - \frac{7}{8} = - \frac{49}{56} < - \frac{6}{7} = - \frac{48}{56}\]
\[\textbf{е)} - 0,4 < \frac{3}{7}\]