Finding the Fourth Proportional to 16,057.12, 22,158.16 and 8,789.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,057.12 : 22,158.16 = 8,789.16 : x
2. Step 2: Convert to fraction form
   16,057.12/22,158.16 = 8,789.16/x
3. Step 3: Cross multiply
   16,057.12x = 22,158.16 × 8,789.16
4. Step 4: Simplify right side
   16,057.12x = 194,751,613.55
5. Step 5: Solve for x
   x = 194,751,613.55/16,057.12
6. Step 6: Final answer
   x = 12,128.68