Finding the Fourth Proportional to 17,499.38, 24,148.54 and 9,945.57

Step by Step Solution

1. Step 1: Write the proportion equation
   17,499.38 : 24,148.54 = 9,945.57 : x
2. Step 2: Convert to fraction form
   17,499.38/24,148.54 = 9,945.57/x
3. Step 3: Cross multiply
   17,499.38x = 24,148.54 × 9,945.57
4. Step 4: Simplify right side
   17,499.38x = 240,171,097.96
5. Step 5: Solve for x
   x = 240,171,097.96/17,499.38
6. Step 6: Final answer
   x = 13,724.55