Finding the Fourth Proportional to 1,425.97, 1,967.78 and 796.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.97 : 1,967.78 = 796.49 : x
2. Step 2: Convert to fraction form
   1,425.97/1,967.78 = 796.49/x
3. Step 3: Cross multiply
   1,425.97x = 1,967.78 × 796.49
4. Step 4: Simplify right side
   1,425.97x = 1,567,317.09
5. Step 5: Solve for x
   x = 1,567,317.09/1,425.97
6. Step 6: Final answer
   x = 1,099.12