Finding the Fourth Proportional to 2,543.53, 3,510.61 and 1,549.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.53 : 3,510.61 = 1,549.13 : x
2. Step 2: Convert to fraction form
   2,543.53/3,510.61 = 1,549.13/x
3. Step 3: Cross multiply
   2,543.53x = 3,510.61 × 1,549.13
4. Step 4: Simplify right side
   2,543.53x = 5,438,391.27
5. Step 5: Solve for x
   x = 5,438,391.27/2,543.53
6. Step 6: Final answer
   x = 2,138.13