Finding the Fourth Proportional to 11,496.08, 17,227.92 and 5,240.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,496.08 : 17,227.92 = 5,240.72 : x
2. Step 2: Convert to fraction form
   11,496.08/17,227.92 = 5,240.72/x
3. Step 3: Cross multiply
   11,496.08x = 17,227.92 × 5,240.72
4. Step 4: Simplify right side
   11,496.08x = 90,286,704.90
5. Step 5: Solve for x
   x = 90,286,704.90/11,496.08
6. Step 6: Final answer
   x = 7,853.69