Finding the Fourth Proportional to 1,425.74, 1,967.35 and 796.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.74 : 1,967.35 = 796.31 : x
2. Step 2: Convert to fraction form
   1,425.74/1,967.35 = 796.31/x
3. Step 3: Cross multiply
   1,425.74x = 1,967.35 × 796.31
4. Step 4: Simplify right side
   1,425.74x = 1,566,620.48
5. Step 5: Solve for x
   x = 1,566,620.48/1,425.74
6. Step 6: Final answer
   x = 1,098.81