Finding the Fourth Proportional to 53,900.52, 74,382.72 and 31,252.71

Step by Step Solution

1. Step 1: Write the proportion equation
   53,900.52 : 74,382.72 = 31,252.71 : x
2. Step 2: Convert to fraction form
   53,900.52/74,382.72 = 31,252.71/x
3. Step 3: Cross multiply
   53,900.52x = 74,382.72 × 31,252.71
4. Step 4: Simplify right side
   53,900.52x = 2,324,661,577.17
5. Step 5: Solve for x
   x = 2,324,661,577.17/53,900.52
6. Step 6: Final answer
   x = 43,128.74