Finding the Fourth Proportional to 16,162.86, 22,304.88 and 9,089.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,162.86 : 22,304.88 = 9,089.22 : x
2. Step 2: Convert to fraction form
   16,162.86/22,304.88 = 9,089.22/x
3. Step 3: Cross multiply
   16,162.86x = 22,304.88 × 9,089.22
4. Step 4: Simplify right side
   16,162.86x = 202,733,961.39
5. Step 5: Solve for x
   x = 202,733,961.39/16,162.86
6. Step 6: Final answer
   x = 12,543.20