Finding the Fourth Proportional to 1,843.18, 2,543.04 and 1,144.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,843.18 : 2,543.04 = 1,144.78 : x
2. Step 2: Convert to fraction form
   1,843.18/2,543.04 = 1,144.78/x
3. Step 3: Cross multiply
   1,843.18x = 2,543.04 × 1,144.78
4. Step 4: Simplify right side
   1,843.18x = 2,911,221.33
5. Step 5: Solve for x
   x = 2,911,221.33/1,843.18
6. Step 6: Final answer
   x = 1,579.46