Finding the Fourth Proportional to 16,081.80, 22,193.28 and 9,008.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,081.80 : 22,193.28 = 9,008.16 : x
2. Step 2: Convert to fraction form
   16,081.80/22,193.28 = 9,008.16/x
3. Step 3: Cross multiply
   16,081.80x = 22,193.28 × 9,008.16
4. Step 4: Simplify right side
   16,081.80x = 199,920,617.16
5. Step 5: Solve for x
   x = 199,920,617.16/16,081.80
6. Step 6: Final answer
   x = 12,431.48