Finding the Fourth Proportional to 11,613.26, 17,422.92 and 5,040.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,613.26 : 17,422.92 = 5,040.72 : x
2. Step 2: Convert to fraction form
   11,613.26/17,422.92 = 5,040.72/x
3. Step 3: Cross multiply
   11,613.26x = 17,422.92 × 5,040.72
4. Step 4: Simplify right side
   11,613.26x = 87,824,061.30
5. Step 5: Solve for x
   x = 87,824,061.30/11,613.26
6. Step 6: Final answer
   x = 7,562.40