Finding the Fourth Proportional to 2,545.11, 3,512.31 and 1,426.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.11 : 3,512.31 = 1,426.08 : x
2. Step 2: Convert to fraction form
   2,545.11/3,512.31 = 1,426.08/x
3. Step 3: Cross multiply
   2,545.11x = 3,512.31 × 1,426.08
4. Step 4: Simplify right side
   2,545.11x = 5,008,835.04
5. Step 5: Solve for x
   x = 5,008,835.04/2,545.11
6. Step 6: Final answer
   x = 1,968.02