Finding the Fourth Proportional to 52,402.28, 72,312.95 and 28,527.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,402.28 : 72,312.95 = 28,527.53 : x
2. Step 2: Convert to fraction form
   52,402.28/72,312.95 = 28,527.53/x
3. Step 3: Cross multiply
   52,402.28x = 72,312.95 × 28,527.53
4. Step 4: Simplify right side
   52,402.28x = 2,062,909,560.27
5. Step 5: Solve for x
   x = 2,062,909,560.27/52,402.28
6. Step 6: Final answer
   x = 39,366.79