Finding the Fourth Proportional to 16,089.62, 22,200.05 and 9,717.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,089.62 : 22,200.05 = 9,717.25 : x
2. Step 2: Convert to fraction form
   16,089.62/22,200.05 = 9,717.25/x
3. Step 3: Cross multiply
   16,089.62x = 22,200.05 × 9,717.25
4. Step 4: Simplify right side
   16,089.62x = 215,723,404.66
5. Step 5: Solve for x
   x = 215,723,404.66/16,089.62
6. Step 6: Final answer
   x = 13,407.61