\(\frac{4019.2}{\frac{1}{3}}\)
\(\frac{\frac{4019.2}{1}}{\frac{1}{3}}\)
\(\frac{\frac{40192}{10}}{\frac{1}{3}}\)
\(\frac{40192}{10}\times\frac{3}{1}\)
\(\frac{40192}{10}\times3\)
\(\frac{20096}{5}\times3\)
\(\frac{60288}{5}\)
\(12057.6\)
.