Finding the Fourth Proportional to 1,498.40, 2,067.63 and 835.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.40 : 2,067.63 = 835.21 : x
2. Step 2: Convert to fraction form
   1,498.40/2,067.63 = 835.21/x
3. Step 3: Cross multiply
   1,498.40x = 2,067.63 × 835.21
4. Step 4: Simplify right side
   1,498.40x = 1,726,904.70
5. Step 5: Solve for x
   x = 1,726,904.70/1,498.40
6. Step 6: Final answer
   x = 1,152.50