Finding the Fourth Proportional to 16,131.12, 22,267.98 and 9,414.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,131.12 : 22,267.98 = 9,414.18 : x
2. Step 2: Convert to fraction form
   16,131.12/22,267.98 = 9,414.18/x
3. Step 3: Cross multiply
   16,131.12x = 22,267.98 × 9,414.18
4. Step 4: Simplify right side
   16,131.12x = 209,634,771.96
5. Step 5: Solve for x
   x = 209,634,771.96/16,131.12
6. Step 6: Final answer
   x = 12,995.67