Finding the Fourth Proportional to 2,545.71, 3,513.03 and 1,426.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.71 : 3,513.03 = 1,426.68 : x
2. Step 2: Convert to fraction form
   2,545.71/3,513.03 = 1,426.68/x
3. Step 3: Cross multiply
   2,545.71x = 3,513.03 × 1,426.68
4. Step 4: Simplify right side
   2,545.71x = 5,011,969.64
5. Step 5: Solve for x
   x = 5,011,969.64/2,545.71
6. Step 6: Final answer
   x = 1,968.79