Finding the Fourth Proportional to 2,543.73, 3,510.18 and 1,409.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.73 : 3,510.18 = 1,409.33 : x
2. Step 2: Convert to fraction form
   2,543.73/3,510.18 = 1,409.33/x
3. Step 3: Cross multiply
   2,543.73x = 3,510.18 × 1,409.33
4. Step 4: Simplify right side
   2,543.73x = 4,947,001.98
5. Step 5: Solve for x
   x = 4,947,001.98/2,543.73
6. Step 6: Final answer
   x = 1,944.78