Finding the Fourth Proportional to 2,360.62, 3,540.89 and 1,124.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,360.62 : 3,540.89 = 1,124.28 : x
2. Step 2: Convert to fraction form
   2,360.62/3,540.89 = 1,124.28/x
3. Step 3: Cross multiply
   2,360.62x = 3,540.89 × 1,124.28
4. Step 4: Simplify right side
   2,360.62x = 3,980,951.46
5. Step 5: Solve for x
   x = 3,980,951.46/2,360.62
6. Step 6: Final answer
   x = 1,686.40