Finding the Fourth Proportional to 16,292.76, 24,419.61 and 8,399.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,292.76 : 24,419.61 = 8,399.04 : x
2. Step 2: Convert to fraction form
   16,292.76/24,419.61 = 8,399.04/x
3. Step 3: Cross multiply
   16,292.76x = 24,419.61 × 8,399.04
4. Step 4: Simplify right side
   16,292.76x = 205,101,281.17
5. Step 5: Solve for x
   x = 205,101,281.17/16,292.76
6. Step 6: Final answer
   x = 12,588.49