Finding the Fourth Proportional to 16,108.32, 22,250.88 and 12,615.36

Step by Step Solution

1. Step 1: Write the proportion equation
   16,108.32 : 22,250.88 = 12,615.36 : x
2. Step 2: Convert to fraction form
   16,108.32/22,250.88 = 12,615.36/x
3. Step 3: Cross multiply
   16,108.32x = 22,250.88 × 12,615.36
4. Step 4: Simplify right side
   16,108.32x = 280,702,861.52
5. Step 5: Solve for x
   x = 280,702,861.52/16,108.32
6. Step 6: Final answer
   x = 17,425.96