Finding the Fourth Proportional to 2,545.62, 3,513.09 and 1,426.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.62 : 3,513.09 = 1,426.81 : x
2. Step 2: Convert to fraction form
   2,545.62/3,513.09 = 1,426.81/x
3. Step 3: Cross multiply
   2,545.62x = 3,513.09 × 1,426.81
4. Step 4: Simplify right side
   2,545.62x = 5,012,511.94
5. Step 5: Solve for x
   x = 5,012,511.94/2,545.62
6. Step 6: Final answer
   x = 1,969.07