Finding the Fourth Proportional to 2,543.62, 3,510.06 and 1,424.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.62 : 3,510.06 = 1,424.53 : x
2. Step 2: Convert to fraction form
   2,543.62/3,510.06 = 1,424.53/x
3. Step 3: Cross multiply
   2,543.62x = 3,510.06 × 1,424.53
4. Step 4: Simplify right side
   2,543.62x = 5,000,185.77
5. Step 5: Solve for x
   x = 5,000,185.77/2,543.62
6. Step 6: Final answer
   x = 1,965.78