Finding the Fourth Proportional to 52,715.68, 72,747 and 28,842.04

Step by Step Solution

1. Step 1: Write the proportion equation
   52,715.68 : 72,747 = 28,842.04 : x
2. Step 2: Convert to fraction form
   52,715.68/72,747 = 28,842.04/x
3. Step 3: Cross multiply
   52,715.68x = 72,747 × 28,842.04
4. Step 4: Simplify right side
   52,715.68x = 2,098,171,883.88
5. Step 5: Solve for x
   x = 2,098,171,883.88/52,715.68
6. Step 6: Final answer
   x = 39,801.67