Finding the Fourth Proportional to 16,081.42, 22,192.40 and 9,007.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,081.42 : 22,192.40 = 9,007.88 : x
2. Step 2: Convert to fraction form
   16,081.42/22,192.40 = 9,007.88/x
3. Step 3: Cross multiply
   16,081.42x = 22,192.40 × 9,007.88
4. Step 4: Simplify right side
   16,081.42x = 199,906,476.11
5. Step 5: Solve for x
   x = 199,906,476.11/16,081.42
6. Step 6: Final answer
   x = 12,430.90