Finding the Fourth Proportional to 2,543.72, 3,510.50 and 1,424.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.72 : 3,510.50 = 1,424.62 : x
2. Step 2: Convert to fraction form
   2,543.72/3,510.50 = 1,424.62/x
3. Step 3: Cross multiply
   2,543.72x = 3,510.50 × 1,424.62
4. Step 4: Simplify right side
   2,543.72x = 5,001,103.83
5. Step 5: Solve for x
   x = 5,001,103.83/2,543.72
6. Step 6: Final answer
   x = 1,966.06