Finding the Fourth Proportional to 1,824.57, 2,517.30 and 1,078.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,824.57 : 2,517.30 = 1,078.56 : x
2. Step 2: Convert to fraction form
   1,824.57/2,517.30 = 1,078.56/x
3. Step 3: Cross multiply
   1,824.57x = 2,517.30 × 1,078.56
4. Step 4: Simplify right side
   1,824.57x = 2,715,059.09
5. Step 5: Solve for x
   x = 2,715,059.09/1,824.57
6. Step 6: Final answer
   x = 1,488.05