Finding the Fourth Proportional to 1,086.71, 1,495.85 and 962.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.71 : 1,495.85 = 962.15 : x
2. Step 2: Convert to fraction form
   1,086.71/1,495.85 = 962.15/x
3. Step 3: Cross multiply
   1,086.71x = 1,495.85 × 962.15
4. Step 4: Simplify right side
   1,086.71x = 1,439,219.79
5. Step 5: Solve for x
   x = 1,439,219.79/1,086.71
6. Step 6: Final answer
   x = 1,324.39