Finding the Fourth Proportional to 9,140.28, 12,613.50 and 5,363.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,140.28 : 12,613.50 = 5,363.52 : x
2. Step 2: Convert to fraction form
   9,140.28/12,613.50 = 5,363.52/x
3. Step 3: Cross multiply
   9,140.28x = 12,613.50 × 5,363.52
4. Step 4: Simplify right side
   9,140.28x = 67,652,759.52
5. Step 5: Solve for x
   x = 67,652,759.52/9,140.28
6. Step 6: Final answer
   x = 7,401.61