Finding the Fourth Proportional to 3,426.57, 4,723.82 and 2,431.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,426.57 : 4,723.82 = 2,431.49 : x
2. Step 2: Convert to fraction form
   3,426.57/4,723.82 = 2,431.49/x
3. Step 3: Cross multiply
   3,426.57x = 4,723.82 × 2,431.49
4. Step 4: Simplify right side
   3,426.57x = 11,485,894.43
5. Step 5: Solve for x
   x = 11,485,894.43/3,426.57
6. Step 6: Final answer
   x = 3,352.01