Finding the Fourth Proportional to 1,962.93, 2,708.89 and 1,078.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.93 : 2,708.89 = 1,078.79 : x
2. Step 2: Convert to fraction form
   1,962.93/2,708.89 = 1,078.79/x
3. Step 3: Cross multiply
   1,962.93x = 2,708.89 × 1,078.79
4. Step 4: Simplify right side
   1,962.93x = 2,922,318.05
5. Step 5: Solve for x
   x = 2,922,318.05/1,962.93
6. Step 6: Final answer
   x = 1,488.75