Finding the Fourth Proportional to 16,648.71, 24,933.78 and 8,732.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,648.71 : 24,933.78 = 8,732.31 : x
2. Step 2: Convert to fraction form
   16,648.71/24,933.78 = 8,732.31/x
3. Step 3: Cross multiply
   16,648.71x = 24,933.78 × 8,732.31
4. Step 4: Simplify right side
   16,648.71x = 217,729,496.43
5. Step 5: Solve for x
   x = 217,729,496.43/16,648.71
6. Step 6: Final answer
   x = 13,077.86