Finding the Fourth Proportional to 16,116.30, 22,240.17 and 9,045

Step by Step Solution

1. Step 1: Write the proportion equation
   16,116.30 : 22,240.17 = 9,045 : x
2. Step 2: Convert to fraction form
   16,116.30/22,240.17 = 9,045/x
3. Step 3: Cross multiply
   16,116.30x = 22,240.17 × 9,045
4. Step 4: Simplify right side
   16,116.30x = 201,162,337.65
5. Step 5: Solve for x
   x = 201,162,337.65/16,116.30
6. Step 6: Final answer
   x = 12,481.92