Finding the Fourth Proportional to 52,391.53, 72,298.87 and 28,517.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,391.53 : 72,298.87 = 28,517.59 : x
2. Step 2: Convert to fraction form
   52,391.53/72,298.87 = 28,517.59/x
3. Step 3: Cross multiply
   52,391.53x = 72,298.87 × 28,517.59
4. Step 4: Simplify right side
   52,391.53x = 2,061,789,532.12
5. Step 5: Solve for x
   x = 2,061,789,532.12/52,391.53
6. Step 6: Final answer
   x = 39,353.49