Finding the Fourth Proportional to 16,057.80, 22,164.22 and 9,344.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,057.80 : 22,164.22 = 9,344.72 : x
2. Step 2: Convert to fraction form
   16,057.80/22,164.22 = 9,344.72/x
3. Step 3: Cross multiply
   16,057.80x = 22,164.22 × 9,344.72
4. Step 4: Simplify right side
   16,057.80x = 207,118,429.92
5. Step 5: Solve for x
   x = 207,118,429.92/16,057.80
6. Step 6: Final answer
   x = 12,898.31