Finding the Fourth Proportional to 2,583.90, 3,877.74 and 1,124.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,583.90 : 3,877.74 = 1,124.15 : x
2. Step 2: Convert to fraction form
   2,583.90/3,877.74 = 1,124.15/x
3. Step 3: Cross multiply
   2,583.90x = 3,877.74 × 1,124.15
4. Step 4: Simplify right side
   2,583.90x = 4,359,142.03
5. Step 5: Solve for x
   x = 4,359,142.03/2,583.90
6. Step 6: Final answer
   x = 1,687.04