Answer :

[tex]\sf 4.71875= \frac{471875}{100000}^{(3125}=\boxed{\sf \frac{151}{32}}[/tex]

4.71875 = 471875 / 100000      5 into 471875 is 94375,  5 into 100000 is 20000
                =  94375 / 20000          5 into 94375 is 18875,   5 into 20000 is    4000
                =  18875 / 4000            25 into 18875 is 755, 25 into 4000 is    160
               =  755 / 160                    5 into 755 is 151, 25 into 4000 is 32
               = 151 / 32
or  4  whole number    23 / 32.