Finding the Fourth Proportional to 16,061.10, 22,158.92 and 9,341.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,061.10 : 22,158.92 = 9,341.20 : x
2. Step 2: Convert to fraction form
   16,061.10/22,158.92 = 9,341.20/x
3. Step 3: Cross multiply
   16,061.10x = 22,158.92 × 9,341.20
4. Step 4: Simplify right side
   16,061.10x = 206,990,903.50
5. Step 5: Solve for x
   x = 206,990,903.50/16,061.10
6. Step 6: Final answer
   x = 12,887.72