Finding the Fourth Proportional to 17,518.27, 24,174.48 and 9,963.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,518.27 : 24,174.48 = 9,963.55 : x
2. Step 2: Convert to fraction form
   17,518.27/24,174.48 = 9,963.55/x
3. Step 3: Cross multiply
   17,518.27x = 24,174.48 × 9,963.55
4. Step 4: Simplify right side
   17,518.27x = 240,863,640.20
5. Step 5: Solve for x
   x = 240,863,640.20/17,518.27
6. Step 6: Final answer
   x = 13,749.28