Finding the Fourth Proportional to 3,401.31, 5,103.96 and 1,426.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.31 : 5,103.96 = 1,426.77 : x
2. Step 2: Convert to fraction form
   3,401.31/5,103.96 = 1,426.77/x
3. Step 3: Cross multiply
   3,401.31x = 5,103.96 × 1,426.77
4. Step 4: Simplify right side
   3,401.31x = 7,282,177.01
5. Step 5: Solve for x
   x = 7,282,177.01/3,401.31
6. Step 6: Final answer
   x = 2,140.99