\[ x y^{(4)}(x)+5 y^{(3)}(x)-24=0 \] ✓ Mathematica : cpu = 0.0191738 (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 = 0.027 (sec), leaf count = 26
\[y \relax (x ) = \frac {x^{2} c_{2}}{2}+\frac {4 x^{3}}{5}-\frac {c_{1}}{24 x^{2}}+x c_{3}+c_{4}\]