Evaluate the Limit by Interpreting It as the Limit of a Riemann

Short Answer

Evaluate the limit by interpreting it as the limit of a Riemann sum of a function on the interval $[ a , b ]$ .
$$\lim _ { n \rightarrow \infty } \frac { 1 } { n ^ { 5 } } \sum _ { k = 1 } ^ { n } k ^ { 4 } ; \quad [ 0,3 ]$$