Finding the Fourth Proportional to 6,105.97, 8,426.25 and 3,311.47

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.97 : 8,426.25 = 3,311.47 : x
2. Step 2: Convert to fraction form
   6,105.97/8,426.25 = 3,311.47/x
3. Step 3: Cross multiply
   6,105.97x = 8,426.25 × 3,311.47
4. Step 4: Simplify right side
   6,105.97x = 27,903,253.02
5. Step 5: Solve for x
   x = 27,903,253.02/6,105.97
6. Step 6: Final answer
   x = 4,569.83