Finding the Fourth Proportional to 8,757.05, 12,084.72 and 5,613.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,757.05 : 12,084.72 = 5,613.24 : x
2. Step 2: Convert to fraction form
   8,757.05/12,084.72 = 5,613.24/x
3. Step 3: Cross multiply
   8,757.05x = 12,084.72 × 5,613.24
4. Step 4: Simplify right side
   8,757.05x = 67,834,433.69
5. Step 5: Solve for x
   x = 67,834,433.69/8,757.05
6. Step 6: Final answer
   x = 7,746.26