Finding the Fourth Proportional to 8,150.27, 12,223.56 and 3,986.11

Step by Step Solution

1. Step 1: Write the proportion equation
   8,150.27 : 12,223.56 = 3,986.11 : x
2. Step 2: Convert to fraction form
   8,150.27/12,223.56 = 3,986.11/x
3. Step 3: Cross multiply
   8,150.27x = 12,223.56 × 3,986.11
4. Step 4: Simplify right side
   8,150.27x = 48,724,462.56
5. Step 5: Solve for x
   x = 48,724,462.56/8,150.27
6. Step 6: Final answer
   x = 5,978.26