\[\frac{\left( 3x^{3} \right)^{5} \bullet \left( 3x^{3} \right)^{4}}{\left( 9x^{6} \right)^{4}} = 24\]
\[\frac{3^{5}x^{15} \bullet 3^{4}x^{12}}{3^{8}x^{24}} = 24\]
\[\frac{3^{9}x^{27}}{3^{8}x^{24}} = 24\]
\[3x³ = 24\ \ \ |\ :3\]
\[x^{3} = 8\]
\[x = 2.\]