Finding the Fourth Proportional to 16,601.67, 22,909.72 and 9,047.85

Step by Step Solution

1. Step 1: Write the proportion equation
   16,601.67 : 22,909.72 = 9,047.85 : x
2. Step 2: Convert to fraction form
   16,601.67/22,909.72 = 9,047.85/x
3. Step 3: Cross multiply
   16,601.67x = 22,909.72 × 9,047.85
4. Step 4: Simplify right side
   16,601.67x = 207,283,710.10
5. Step 5: Solve for x
   x = 207,283,710.10/16,601.67
6. Step 6: Final answer
   x = 12,485.71