help me$${\mathtt{4\,787}}{\mathtt{\,-\,}}{\frac{{\mathtt{45\,453}}}{{\mathtt{4\,554\,564}}}}{\mathtt{\,\times\,}}{\mathtt{434\,534}} = {\mathtt{450.498\: \!437\: \!611\: \!152\: \!242}}$$
What do you need help with??....It looks as if you already figured it out....
+14 
