Finding the Fourth Proportional to 1,824.49, 2,517.46 and 1,078.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,824.49 : 2,517.46 = 1,078.57 : x
2. Step 2: Convert to fraction form
   1,824.49/2,517.46 = 1,078.57/x
3. Step 3: Cross multiply
   1,824.49x = 2,517.46 × 1,078.57
4. Step 4: Simplify right side
   1,824.49x = 2,715,256.83
5. Step 5: Solve for x
   x = 2,715,256.83/1,824.49
6. Step 6: Final answer
   x = 1,488.23