Finding the Fourth Proportional to 1,334.54, 1,839.17 and 960.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.54 : 1,839.17 = 960.86 : x
2. Step 2: Convert to fraction form
   1,334.54/1,839.17 = 960.86/x
3. Step 3: Cross multiply
   1,334.54x = 1,839.17 × 960.86
4. Step 4: Simplify right side
   1,334.54x = 1,767,191.89
5. Step 5: Solve for x
   x = 1,767,191.89/1,334.54
6. Step 6: Final answer
   x = 1,324.19