Finding the Fourth Proportional to 16,414.98, 24,601.71 and 10,489.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,414.98 : 24,601.71 = 10,489.59 : x
2. Step 2: Convert to fraction form
   16,414.98/24,601.71 = 10,489.59/x
3. Step 3: Cross multiply
   16,414.98x = 24,601.71 × 10,489.59
4. Step 4: Simplify right side
   16,414.98x = 258,061,851.20
5. Step 5: Solve for x
   x = 258,061,851.20/16,414.98
6. Step 6: Final answer
   x = 15,721.12