Finding the Fourth Proportional to 8,250.66, 12,380.85 and 3,868.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,250.66 : 12,380.85 = 3,868.16 : x
2. Step 2: Convert to fraction form
   8,250.66/12,380.85 = 3,868.16/x
3. Step 3: Cross multiply
   8,250.66x = 12,380.85 × 3,868.16
4. Step 4: Simplify right side
   8,250.66x = 47,891,046.83
5. Step 5: Solve for x
   x = 47,891,046.83/8,250.66
6. Step 6: Final answer
   x = 5,804.51