Finding the Fourth Proportional to 16,240.38, 22,411.72 and 8,788.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,240.38 : 22,411.72 = 8,788.38 : x
2. Step 2: Convert to fraction form
   16,240.38/22,411.72 = 8,788.38/x
3. Step 3: Cross multiply
   16,240.38x = 22,411.72 × 8,788.38
4. Step 4: Simplify right side
   16,240.38x = 196,962,711.81
5. Step 5: Solve for x
   x = 196,962,711.81/16,240.38
6. Step 6: Final answer
   x = 12,127.96