Finding the Fourth Proportional to 2,934.38, 4,401.86 and 854.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,934.38 : 4,401.86 = 854.41 : x
2. Step 2: Convert to fraction form
   2,934.38/4,401.86 = 854.41/x
3. Step 3: Cross multiply
   2,934.38x = 4,401.86 × 854.41
4. Step 4: Simplify right side
   2,934.38x = 3,760,984.33
5. Step 5: Solve for x
   x = 3,760,984.33/2,934.38
6. Step 6: Final answer
   x = 1,281.70