2019 Cayley Problem 11

In the diagram, numbers are to be placed in the circles so that each circle that is connected to two circles above it will contain the sum of the numbers contained in the two circles above it. What is the value of x?

\textbf{(A)}\ 481\quad \textbf{(B)}\ 381\quad \textbf{(C)}\ 281\quad \textbf{(D)}\ 581\quad \textbf{(E)}\ 681

If there are no answer choices shown, enter a numerical answer.

Full credit to this problem is given to the CEMC, you may view all Cayley contests here.