Finding the Fourth Proportional to 2,543.59, 3,510.17 and 1,424.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.59 : 3,510.17 = 1,424.57 : x
2. Step 2: Convert to fraction form
   2,543.59/3,510.17 = 1,424.57/x
3. Step 3: Cross multiply
   2,543.59x = 3,510.17 × 1,424.57
4. Step 4: Simplify right side
   2,543.59x = 5,000,483.29
5. Step 5: Solve for x
   x = 5,000,483.29/2,543.59
6. Step 6: Final answer
   x = 1,965.92