Finding the Fourth Proportional to 8,255.72, 12,400.71 and 6,676.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,255.72 : 12,400.71 = 6,676.22 : x
2. Step 2: Convert to fraction form
   8,255.72/12,400.71 = 6,676.22/x
3. Step 3: Cross multiply
   8,255.72x = 12,400.71 × 6,676.22
4. Step 4: Simplify right side
   8,255.72x = 82,789,868.12
5. Step 5: Solve for x
   x = 82,789,868.12/8,255.72
6. Step 6: Final answer
   x = 10,028.18