Finding the Fourth Proportional to 8,256.37, 12,385.77 and 3,874.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,256.37 : 12,385.77 = 3,874.27 : x
2. Step 2: Convert to fraction form
   8,256.37/12,385.77 = 3,874.27/x
3. Step 3: Cross multiply
   8,256.37x = 12,385.77 × 3,874.27
4. Step 4: Simplify right side
   8,256.37x = 47,985,797.77
5. Step 5: Solve for x
   x = 47,985,797.77/8,256.37
6. Step 6: Final answer
   x = 5,811.97