Finding the Fourth Proportional to 16,820.38, 25,234.35 and 5,132.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,820.38 : 25,234.35 = 5,132.71 : x
2. Step 2: Convert to fraction form
   16,820.38/25,234.35 = 5,132.71/x
3. Step 3: Cross multiply
   16,820.38x = 25,234.35 × 5,132.71
4. Step 4: Simplify right side
   16,820.38x = 129,520,600.59
5. Step 5: Solve for x
   x = 129,520,600.59/16,820.38
6. Step 6: Final answer
   x = 7,700.22