\[\boxed{\mathbf{323}\mathbf{.}}\]
\[1)\ 4\frac{1}{5} = \frac{21}{5}\]
\[2)\ 8\frac{5}{11} = \frac{93}{11}\]
\[3)\ 9\frac{5}{7} = \frac{68}{7}\]
\[4)\ 5\frac{7}{18} = \frac{97}{18}\]