Finding the Fourth Proportional to 2,543.45, 3,510.06 and 1,424.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.45 : 3,510.06 = 1,424.33 : x
2. Step 2: Convert to fraction form
   2,543.45/3,510.06 = 1,424.33/x
3. Step 3: Cross multiply
   2,543.45x = 3,510.06 × 1,424.33
4. Step 4: Simplify right side
   2,543.45x = 4,999,497.78
5. Step 5: Solve for x
   x = 4,999,497.78/2,543.45
6. Step 6: Final answer
   x = 1,965.64