Finding the Fourth Proportional to 52,498.28, 72,446.58 and 28,625.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,498.28 : 72,446.58 = 28,625.12 : x
2. Step 2: Convert to fraction form
   52,498.28/72,446.58 = 28,625.12/x
3. Step 3: Cross multiply
   52,498.28x = 72,446.58 × 28,625.12
4. Step 4: Simplify right side
   52,498.28x = 2,073,792,046.09
5. Step 5: Solve for x
   x = 2,073,792,046.09/52,498.28
6. Step 6: Final answer
   x = 39,502.10