Finding the Fourth Proportional to 2,479.23, 3,716.25 and 835.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.23 : 3,716.25 = 835.21 : x
2. Step 2: Convert to fraction form
   2,479.23/3,716.25 = 835.21/x
3. Step 3: Cross multiply
   2,479.23x = 3,716.25 × 835.21
4. Step 4: Simplify right side
   2,479.23x = 3,103,857.72
5. Step 5: Solve for x
   x = 3,103,857.72/2,479.23
6. Step 6: Final answer
   x = 1,251.94