Finding the Fourth Proportional to 1,543.25, 2,132.53 and 1,124.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,543.25 : 2,132.53 = 1,124.89 : x
2. Step 2: Convert to fraction form
   1,543.25/2,132.53 = 1,124.89/x
3. Step 3: Cross multiply
   1,543.25x = 2,132.53 × 1,124.89
4. Step 4: Simplify right side
   1,543.25x = 2,398,853.53
5. Step 5: Solve for x
   x = 2,398,853.53/1,543.25
6. Step 6: Final answer
   x = 1,554.41