Finding the Fourth Proportional to 1,843.78, 2,543.72 and 1,180.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,843.78 : 2,543.72 = 1,180.52 : x
2. Step 2: Convert to fraction form
   1,843.78/2,543.72 = 1,180.52/x
3. Step 3: Cross multiply
   1,843.78x = 2,543.72 × 1,180.52
4. Step 4: Simplify right side
   1,843.78x = 3,002,912.79
5. Step 5: Solve for x
   x = 3,002,912.79/1,843.78
6. Step 6: Final answer
   x = 1,628.67