Finding the Fourth Proportional to 16,760.88, 23,132.86 and 9,691.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,760.88 : 23,132.86 = 9,691.61 : x
2. Step 2: Convert to fraction form
   16,760.88/23,132.86 = 9,691.61/x
3. Step 3: Cross multiply
   16,760.88x = 23,132.86 × 9,691.61
4. Step 4: Simplify right side
   16,760.88x = 224,194,517.41
5. Step 5: Solve for x
   x = 224,194,517.41/16,760.88
6. Step 6: Final answer
   x = 13,376.06