Finding the Fourth Proportional to 1,962.27, 2,707.98 and 1,078.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.27 : 2,707.98 = 1,078.13 : x
2. Step 2: Convert to fraction form
   1,962.27/2,707.98 = 1,078.13/x
3. Step 3: Cross multiply
   1,962.27x = 2,707.98 × 1,078.13
4. Step 4: Simplify right side
   1,962.27x = 2,919,540.94
5. Step 5: Solve for x
   x = 2,919,540.94/1,962.27
6. Step 6: Final answer
   x = 1,487.84