Finding the Fourth Proportional to 2,479.34, 3,718.91 and 835.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.34 : 3,718.91 = 835.89 : x
2. Step 2: Convert to fraction form
   2,479.34/3,718.91 = 835.89/x
3. Step 3: Cross multiply
   2,479.34x = 3,718.91 × 835.89
4. Step 4: Simplify right side
   2,479.34x = 3,108,587.82
5. Step 5: Solve for x
   x = 3,108,587.82/2,479.34
6. Step 6: Final answer
   x = 1,253.80