Finding the Fourth Proportional to 11,139.96, 15,367.68 and 7,597.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,139.96 : 15,367.68 = 7,597.56 : x
2. Step 2: Convert to fraction form
   11,139.96/15,367.68 = 7,597.56/x
3. Step 3: Cross multiply
   11,139.96x = 15,367.68 × 7,597.56
4. Step 4: Simplify right side
   11,139.96x = 116,756,870.86
5. Step 5: Solve for x
   x = 116,756,870.86/11,139.96
6. Step 6: Final answer
   x = 10,480.91