Finding the Fourth Proportional to 1,498.36, 2,067.58 and 835.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.36 : 2,067.58 = 835.20 : x
2. Step 2: Convert to fraction form
   1,498.36/2,067.58 = 835.20/x
3. Step 3: Cross multiply
   1,498.36x = 2,067.58 × 835.20
4. Step 4: Simplify right side
   1,498.36x = 1,726,842.82
5. Step 5: Solve for x
   x = 1,726,842.82/1,498.36
6. Step 6: Final answer
   x = 1,152.49