Finding the Fourth Proportional to 17,499.06, 24,147.88 and 9,945.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,499.06 : 24,147.88 = 9,945.20 : x
2. Step 2: Convert to fraction form
   17,499.06/24,147.88 = 9,945.20/x
3. Step 3: Cross multiply
   17,499.06x = 24,147.88 × 9,945.20
4. Step 4: Simplify right side
   17,499.06x = 240,155,496.18
5. Step 5: Solve for x
   x = 240,155,496.18/17,499.06
6. Step 6: Final answer
   x = 13,723.91