Finding the Fourth Proportional to 8,281.57, 12,410.27 and 3,840.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,281.57 : 12,410.27 = 3,840.59 : x
2. Step 2: Convert to fraction form
   8,281.57/12,410.27 = 3,840.59/x
3. Step 3: Cross multiply
   8,281.57x = 12,410.27 × 3,840.59
4. Step 4: Simplify right side
   8,281.57x = 47,662,758.86
5. Step 5: Solve for x
   x = 47,662,758.86/8,281.57
6. Step 6: Final answer
   x = 5,755.28