Finding the Fourth Proportional to 1,414.89, 1,952.57 and 855.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,414.89 : 1,952.57 = 855.42 : x
2. Step 2: Convert to fraction form
   1,414.89/1,952.57 = 855.42/x
3. Step 3: Cross multiply
   1,414.89x = 1,952.57 × 855.42
4. Step 4: Simplify right side
   1,414.89x = 1,670,263.15
5. Step 5: Solve for x
   x = 1,670,263.15/1,414.89
6. Step 6: Final answer
   x = 1,180.49