Finding the Fourth Proportional to 2,585.61, 3,877.71 and 1,124.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.61 : 3,877.71 = 1,124.41 : x
2. Step 2: Convert to fraction form
   2,585.61/3,877.71 = 1,124.41/x
3. Step 3: Cross multiply
   2,585.61x = 3,877.71 × 1,124.41
4. Step 4: Simplify right side
   2,585.61x = 4,360,135.90
5. Step 5: Solve for x
   x = 4,360,135.90/2,585.61
6. Step 6: Final answer
   x = 1,686.31