Finding the Fourth Proportional to 2,934.32, 4,401.56 and 854.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,934.32 : 4,401.56 = 854.55 : x
2. Step 2: Convert to fraction form
   2,934.32/4,401.56 = 854.55/x
3. Step 3: Cross multiply
   2,934.32x = 4,401.56 × 854.55
4. Step 4: Simplify right side
   2,934.32x = 3,761,355.23
5. Step 5: Solve for x
   x = 3,761,355.23/2,934.32
6. Step 6: Final answer
   x = 1,281.85