\[\frac{x}{9} < \frac{22}{45}\text{\ \ \ \ \ \ }\]
\[\frac{5x}{45} < \frac{22}{45}\ \]
\[5x < 22\]
\[x < \frac{22}{5}\]
\[0 < x < 4,4 \Longrightarrow\]
\[x = 1,2,3,4.\]
\[Ответ:1,\ 2,\ 3,\ 4.\ \]