Finding the Fourth Proportional to 16,120.38, 24,200.27 and 9,105.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,120.38 : 24,200.27 = 9,105.32 : x
2. Step 2: Convert to fraction form
   16,120.38/24,200.27 = 9,105.32/x
3. Step 3: Cross multiply
   16,120.38x = 24,200.27 × 9,105.32
4. Step 4: Simplify right side
   16,120.38x = 220,351,035.91
5. Step 5: Solve for x
   x = 220,351,035.91/16,120.38
6. Step 6: Final answer
   x = 13,669.10