Finding the Fourth Proportional to 2,543.89, 3,510.70 and 1,549.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.89 : 3,510.70 = 1,549.01 : x
2. Step 2: Convert to fraction form
   2,543.89/3,510.70 = 1,549.01/x
3. Step 3: Cross multiply
   2,543.89x = 3,510.70 × 1,549.01
4. Step 4: Simplify right side
   2,543.89x = 5,438,092.89
5. Step 5: Solve for x
   x = 5,438,092.89/2,543.89
6. Step 6: Final answer
   x = 2,137.71