Finding the Fourth Proportional to 1,414.26, 1,951.70 and 854.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,414.26 : 1,951.70 = 854.55 : x
2. Step 2: Convert to fraction form
   1,414.26/1,951.70 = 854.55/x
3. Step 3: Cross multiply
   1,414.26x = 1,951.70 × 854.55
4. Step 4: Simplify right side
   1,414.26x = 1,667,820.96
5. Step 5: Solve for x
   x = 1,667,820.96/1,414.26
6. Step 6: Final answer
   x = 1,179.29