Finding the Fourth Proportional to 1,498.40, 2,067.77 and 835.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.40 : 2,067.77 = 835.31 : x
2. Step 2: Convert to fraction form
   1,498.40/2,067.77 = 835.31/x
3. Step 3: Cross multiply
   1,498.40x = 2,067.77 × 835.31
4. Step 4: Simplify right side
   1,498.40x = 1,727,214.44
5. Step 5: Solve for x
   x = 1,727,214.44/1,498.40
6. Step 6: Final answer
   x = 1,152.71