Finding the Fourth Proportional to 2,543.89, 3,510.89 and 1,549.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.89 : 3,510.89 = 1,549.32 : x
2. Step 2: Convert to fraction form
   2,543.89/3,510.89 = 1,549.32/x
3. Step 3: Cross multiply
   2,543.89x = 3,510.89 × 1,549.32
4. Step 4: Simplify right side
   2,543.89x = 5,439,492.09
5. Step 5: Solve for x
   x = 5,439,492.09/2,543.89
6. Step 6: Final answer
   x = 2,138.26