a man spent 5% of his salary on rent and out of remaining 20% on car and out of remaning on insurance and furniture in the ratio of 13:7 the value of 7 parts is 4907 what is his salary

starting with x,

.05x on rent, leaving .95x
.95x * .20 = .19x on car, leaving .76x
of the remainder, 7/20 = 4907, so 13/20 = 9113

So, 9113+4907 = .76x
x = 18447.37