Finding the Fourth Proportional to 16,932.55, 25,414.41 and 8,618.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,932.55 : 25,414.41 = 8,618.50 : x
2. Step 2: Convert to fraction form
   16,932.55/25,414.41 = 8,618.50/x
3. Step 3: Cross multiply
   16,932.55x = 25,414.41 × 8,618.50
4. Step 4: Simplify right side
   16,932.55x = 219,034,049.49
5. Step 5: Solve for x
   x = 219,034,049.49/16,932.55
6. Step 6: Final answer
   x = 12,935.68