\[ x y^{(4)}(x)+5 y^{(3)}(x)-24=0 \] ✓ Mathematica : cpu = 0.0136173 (sec), leaf count = 34
\[\left \{\left \{y(x)\to c_4 x^2-\frac {c_1}{24 x^2}+c_3 x+c_2+\frac {4 x^3}{5}\right \}\right \}\]
✓ Maple : cpu = 0.02 (sec), leaf count = 26
\[ \left \{ y \left ( x \right ) =-{\frac {{\it \_C1}}{24\,{x}^{2}}}+{\frac {4\,{x}^{3}}{5}}+{\frac {{\it \_C2}\,{x}^{2}}{2}}+{\it \_C3}\,x+{\it \_C4} \right \} \]