To convert \(54_{10}\) to base 4:

\(54 \div 4 = 13\) with remainder \(2\).
\(13 \div 4 = 3\) with remainder \(1\).
\(3 \div 4 = 0\) with remainder \(3\).

Collecting the remainders from bottom to top, we have:

\(54_{10} = 312_4\)

Thus, \(X = 312.000\).