Finding the Fourth Proportional to 16,039.69, 22,134.80 and 8,966.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,039.69 : 22,134.80 = 8,966.30 : x
2. Step 2: Convert to fraction form
   16,039.69/22,134.80 = 8,966.30/x
3. Step 3: Cross multiply
   16,039.69x = 22,134.80 × 8,966.30
4. Step 4: Simplify right side
   16,039.69x = 198,467,168.98
5. Step 5: Solve for x
   x = 198,467,168.98/16,039.69
6. Step 6: Final answer
   x = 12,373.51