Finding the Fourth Proportional to 1,078.38, 1,498.37 and 1,066.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078.38 : 1,498.37 = 1,066.95 : x
2. Step 2: Convert to fraction form
   1,078.38/1,498.37 = 1,066.95/x
3. Step 3: Cross multiply
   1,078.38x = 1,498.37 × 1,066.95
4. Step 4: Simplify right side
   1,078.38x = 1,598,680.54
5. Step 5: Solve for x
   x = 1,598,680.54/1,078.38
6. Step 6: Final answer
   x = 1,482.48