\[ 5 y^{(3)}(x)+x y^{(4)}(x)-24=0 \] ✓ Mathematica : cpu = 0.0111184 (sec), leaf count = 34
\[\left \{\left \{y(x)\to \frac {4 x^3}{5}+c_4 x^2-\frac {c_1}{24 x^2}+c_3 x+c_2\right \}\right \}\] ✓ Maple : cpu = 0.171 (sec), leaf count = 26
\[ \left \{ y \left ( x \right ) ={\frac {{\it \_C2}\,{x}^{2}}{2}}+{\frac {4\,{x}^{3}}{5}}-{\frac {{\it \_C1}}{24\,{x}^{2}}}+{\it \_C3}\,x+{\it \_C4} \right \} \]