Finding the Fourth Proportional to 16,105.05, 22,225.13 and 9,031.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,105.05 : 22,225.13 = 9,031.32 : x
2. Step 2: Convert to fraction form
   16,105.05/22,225.13 = 9,031.32/x
3. Step 3: Cross multiply
   16,105.05x = 22,225.13 × 9,031.32
4. Step 4: Simplify right side
   16,105.05x = 200,722,215.92
5. Step 5: Solve for x
   x = 200,722,215.92/16,105.05
6. Step 6: Final answer
   x = 12,463.31