Finding the Fourth Proportional to 6,105.95, 8,426.60 and 3,417.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.95 : 8,426.60 = 3,417.40 : x
2. Step 2: Convert to fraction form
   6,105.95/8,426.60 = 3,417.40/x
3. Step 3: Cross multiply
   6,105.95x = 8,426.60 × 3,417.40
4. Step 4: Simplify right side
   6,105.95x = 28,797,062.84
5. Step 5: Solve for x
   x = 28,797,062.84/6,105.95
6. Step 6: Final answer
   x = 4,716.23