Finding the Fourth Proportional to 1,414.89, 1,952.52 and 862.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,414.89 : 1,952.52 = 862.89 : x
2. Step 2: Convert to fraction form
   1,414.89/1,952.52 = 862.89/x
3. Step 3: Cross multiply
   1,414.89x = 1,952.52 × 862.89
4. Step 4: Simplify right side
   1,414.89x = 1,684,809.98
5. Step 5: Solve for x
   x = 1,684,809.98/1,414.89
6. Step 6: Final answer
   x = 1,190.77