Finding the Fourth Proportional to 10,941.26, 15,103.85 and 8,513.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,941.26 : 15,103.85 = 8,513.15 : x
2. Step 2: Convert to fraction form
   10,941.26/15,103.85 = 8,513.15/x
3. Step 3: Cross multiply
   10,941.26x = 15,103.85 × 8,513.15
4. Step 4: Simplify right side
   10,941.26x = 128,581,222.54
5. Step 5: Solve for x
   x = 128,581,222.54/10,941.26
6. Step 6: Final answer
   x = 11,751.96