Finding the Fourth Proportional to 9,118.55, 13,704.69 and 7,568.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,118.55 : 13,704.69 = 7,568.48 : x
2. Step 2: Convert to fraction form
   9,118.55/13,704.69 = 7,568.48/x
3. Step 3: Cross multiply
   9,118.55x = 13,704.69 × 7,568.48
4. Step 4: Simplify right side
   9,118.55x = 103,723,672.17
5. Step 5: Solve for x
   x = 103,723,672.17/9,118.55
6. Step 6: Final answer
   x = 11,375.02