Finding the Fourth Proportional to 52,287.48, 72,156.67 and 28,414.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,287.48 : 72,156.67 = 28,414.10 : x
2. Step 2: Convert to fraction form
   52,287.48/72,156.67 = 28,414.10/x
3. Step 3: Cross multiply
   52,287.48x = 72,156.67 × 28,414.10
4. Step 4: Simplify right side
   52,287.48x = 2,050,266,946.40
5. Step 5: Solve for x
   x = 2,050,266,946.40/52,287.48
6. Step 6: Final answer
   x = 39,211.43