Finding the Fourth Proportional to 6,106.05, 8,426.43 and 3,311.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,106.05 : 8,426.43 = 3,311.55 : x
2. Step 2: Convert to fraction form
   6,106.05/8,426.43 = 3,311.55/x
3. Step 3: Cross multiply
   6,106.05x = 8,426.43 × 3,311.55
4. Step 4: Simplify right side
   6,106.05x = 27,904,544.27
5. Step 5: Solve for x
   x = 27,904,544.27/6,106.05
6. Step 6: Final answer
   x = 4,569.98