Finding the Fourth Proportional to 2,479.22, 3,719.15 and 835.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.22 : 3,719.15 = 835.42 : x
2. Step 2: Convert to fraction form
   2,479.22/3,719.15 = 835.42/x
3. Step 3: Cross multiply
   2,479.22x = 3,719.15 × 835.42
4. Step 4: Simplify right side
   2,479.22x = 3,107,052.29
5. Step 5: Solve for x
   x = 3,107,052.29/2,479.22
6. Step 6: Final answer
   x = 1,253.24