Finding the Fourth Proportional to 16,031.30, 22,124.02 and 9,659.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,031.30 : 22,124.02 = 9,659.89 : x
2. Step 2: Convert to fraction form
   16,031.30/22,124.02 = 9,659.89/x
3. Step 3: Cross multiply
   16,031.30x = 22,124.02 × 9,659.89
4. Step 4: Simplify right side
   16,031.30x = 213,715,621.18
5. Step 5: Solve for x
   x = 213,715,621.18/16,031.30
6. Step 6: Final answer
   x = 13,331.15