Finding the Fourth Proportional to 2,545.82, 3,513.12 and 1,426.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.82 : 3,513.12 = 1,426.76 : x
2. Step 2: Convert to fraction form
   2,545.82/3,513.12 = 1,426.76/x
3. Step 3: Cross multiply
   2,545.82x = 3,513.12 × 1,426.76
4. Step 4: Simplify right side
   2,545.82x = 5,012,379.09
5. Step 5: Solve for x
   x = 5,012,379.09/2,545.82
6. Step 6: Final answer
   x = 1,968.87