Finding the Fourth Proportional to 16,359.32, 22,576.02 and 9,285.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,359.32 : 22,576.02 = 9,285.80 : x
2. Step 2: Convert to fraction form
   16,359.32/22,576.02 = 9,285.80/x
3. Step 3: Cross multiply
   16,359.32x = 22,576.02 × 9,285.80
4. Step 4: Simplify right side
   16,359.32x = 209,636,406.52
5. Step 5: Solve for x
   x = 209,636,406.52/16,359.32
6. Step 6: Final answer
   x = 12,814.49