Finding the Fourth Proportional to 16,520.28, 24,781.98 and 5,427

Step by Step Solution

1. Step 1: Write the proportion equation
   16,520.28 : 24,781.98 = 5,427 : x
2. Step 2: Convert to fraction form
   16,520.28/24,781.98 = 5,427/x
3. Step 3: Cross multiply
   16,520.28x = 24,781.98 × 5,427
4. Step 4: Simplify right side
   16,520.28x = 134,491,805.46
5. Step 5: Solve for x
   x = 134,491,805.46/16,520.28
6. Step 6: Final answer
   x = 8,141.01