Finding the Fourth Proportional to 8,752.68, 12,076.56 and 5,613.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,752.68 : 12,076.56 = 5,613.12 : x
2. Step 2: Convert to fraction form
   8,752.68/12,076.56 = 5,613.12/x
3. Step 3: Cross multiply
   8,752.68x = 12,076.56 × 5,613.12
4. Step 4: Simplify right side
   8,752.68x = 67,787,180.47
5. Step 5: Solve for x
   x = 67,787,180.47/8,752.68
6. Step 6: Final answer
   x = 7,744.73