Finding the Fourth Proportional to 47,353.52, 65,359.32 and 28,487

Step by Step Solution

1. Step 1: Write the proportion equation
   47,353.52 : 65,359.32 = 28,487 : x
2. Step 2: Convert to fraction form
   47,353.52/65,359.32 = 28,487/x
3. Step 3: Cross multiply
   47,353.52x = 65,359.32 × 28,487
4. Step 4: Simplify right side
   47,353.52x = 1,861,890,948.84
5. Step 5: Solve for x
   x = 1,861,890,948.84/47,353.52
6. Step 6: Final answer
   x = 39,318.96