Finding the Fourth Proportional to 8,571.27, 12,850.85 and 3,301.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,571.27 : 12,850.85 = 3,301.86 : x
2. Step 2: Convert to fraction form
   8,571.27/12,850.85 = 3,301.86/x
3. Step 3: Cross multiply
   8,571.27x = 12,850.85 × 3,301.86
4. Step 4: Simplify right side
   8,571.27x = 42,431,764.03
5. Step 5: Solve for x
   x = 42,431,764.03/8,571.27
6. Step 6: Final answer
   x = 4,950.47