Finding the Fourth Proportional to 8,241.27, 12,363.72 and 3,856.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,241.27 : 12,363.72 = 3,856.35 : x
2. Step 2: Convert to fraction form
   8,241.27/12,363.72 = 3,856.35/x
3. Step 3: Cross multiply
   8,241.27x = 12,363.72 × 3,856.35
4. Step 4: Simplify right side
   8,241.27x = 47,678,831.62
5. Step 5: Solve for x
   x = 47,678,831.62/8,241.27
6. Step 6: Final answer
   x = 5,785.37