Finding the Fourth Proportional to 1,498.11, 2,067.37 and 825.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.11 : 2,067.37 = 825.91 : x
2. Step 2: Convert to fraction form
   1,498.11/2,067.37 = 825.91/x
3. Step 3: Cross multiply
   1,498.11x = 2,067.37 × 825.91
4. Step 4: Simplify right side
   1,498.11x = 1,707,470.60
5. Step 5: Solve for x
   x = 1,707,470.60/1,498.11
6. Step 6: Final answer
   x = 1,139.75