Solve the differential equation dydx=6y2x,  y(4)=128\displaystyle \frac{{{\left.{d}{y}\right.}}}{{{\left.{d}{x}\right.}}}=\frac{{{6}{y}^{{2}}}}{\sqrt{{{x}}}},\ \ {y}{\left({4}\right)}=\frac{{1}}{{28}}

y(x)\displaystyle {y}{\left({x}\right)} =