Finding the Fourth Proportional to 1,828.55, 2,742.59 and 1,078.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,828.55 : 2,742.59 = 1,078.49 : x
2. Step 2: Convert to fraction form
   1,828.55/2,742.59 = 1,078.49/x
3. Step 3: Cross multiply
   1,828.55x = 2,742.59 × 1,078.49
4. Step 4: Simplify right side
   1,828.55x = 2,957,836.78
5. Step 5: Solve for x
   x = 2,957,836.78/1,828.55
6. Step 6: Final answer
   x = 1,617.59