Best Answer
x*18% = 144.15
x*18/100=144.15 => x = 144.15*100/18
x = $${\frac{{\mathtt{144.15}}{\mathtt{\,\times\,}}{\mathtt{100}}}{{\mathtt{18}}}} = {\frac{{\mathtt{4\,805}}}{{\mathtt{6}}}} = {\mathtt{800.833\: \!333\: \!333\: \!333\: \!333\: \!3}}$$
