Finding the Fourth Proportional to 22,443.24, 30,957.48 and 16,057.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,443.24 : 30,957.48 = 16,057.20 : x
2. Step 2: Convert to fraction form
   22,443.24/30,957.48 = 16,057.20/x
3. Step 3: Cross multiply
   22,443.24x = 30,957.48 × 16,057.20
4. Step 4: Simplify right side
   22,443.24x = 497,090,447.86
5. Step 5: Solve for x
   x = 497,090,447.86/22,443.24
6. Step 6: Final answer
   x = 22,148.78