Finding the Fourth Proportional to 8,271.25, 12,406.85 and 3,340.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,271.25 : 12,406.85 = 3,340.83 : x
2. Step 2: Convert to fraction form
   8,271.25/12,406.85 = 3,340.83/x
3. Step 3: Cross multiply
   8,271.25x = 12,406.85 × 3,340.83
4. Step 4: Simplify right side
   8,271.25x = 41,449,176.69
5. Step 5: Solve for x
   x = 41,449,176.69/8,271.25
6. Step 6: Final answer
   x = 5,011.23