Finding the Fourth Proportional to 52,287.60, 72,156.96 and 28,414.56

Step by Step Solution

1. Step 1: Write the proportion equation
   52,287.60 : 72,156.96 = 28,414.56 : x
2. Step 2: Convert to fraction form
   52,287.60/72,156.96 = 28,414.56/x
3. Step 3: Cross multiply
   52,287.60x = 72,156.96 × 28,414.56
4. Step 4: Simplify right side
   52,287.60x = 2,050,308,269.34
5. Step 5: Solve for x
   x = 2,050,308,269.34/52,287.60
6. Step 6: Final answer
   x = 39,212.13