Finding the Fourth Proportional to 2,738.23, 3,778.71 and 1,543.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.23 : 3,778.71 = 1,543.27 : x
2. Step 2: Convert to fraction form
   2,738.23/3,778.71 = 1,543.27/x
3. Step 3: Cross multiply
   2,738.23x = 3,778.71 × 1,543.27
4. Step 4: Simplify right side
   2,738.23x = 5,831,569.78
5. Step 5: Solve for x
   x = 5,831,569.78/2,738.23
6. Step 6: Final answer
   x = 2,129.69