Finding the Fourth Proportional to 16,559.04, 22,854.72 and 9,490.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,559.04 : 22,854.72 = 9,490.20 : x
2. Step 2: Convert to fraction form
   16,559.04/22,854.72 = 9,490.20/x
3. Step 3: Cross multiply
   16,559.04x = 22,854.72 × 9,490.20
4. Step 4: Simplify right side
   16,559.04x = 216,895,863.74
5. Step 5: Solve for x
   x = 216,895,863.74/16,559.04
6. Step 6: Final answer
   x = 13,098.34