Finding the Fourth Proportional to 1,843.20, 2,543.52 and 1,144.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,843.20 : 2,543.52 = 1,144.56 : x
2. Step 2: Convert to fraction form
   1,843.20/2,543.52 = 1,144.56/x
3. Step 3: Cross multiply
   1,843.20x = 2,543.52 × 1,144.56
4. Step 4: Simplify right side
   1,843.20x = 2,911,211.25
5. Step 5: Solve for x
   x = 2,911,211.25/1,843.20
6. Step 6: Final answer
   x = 1,579.43