Finding the Fourth Proportional to 8,752.43, 12,076.21 and 5,612.87

Step by Step Solution

1. Step 1: Write the proportion equation
   8,752.43 : 12,076.21 = 5,612.87 : x
2. Step 2: Convert to fraction form
   8,752.43/12,076.21 = 5,612.87/x
3. Step 3: Cross multiply
   8,752.43x = 12,076.21 × 5,612.87
4. Step 4: Simplify right side
   8,752.43x = 67,782,196.82
5. Step 5: Solve for x
   x = 67,782,196.82/8,752.43
6. Step 6: Final answer
   x = 7,744.39