Finding the Fourth Proportional to 1,356.33, 1,871.71 and 796.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356.33 : 1,871.71 = 796.70 : x
2. Step 2: Convert to fraction form
   1,356.33/1,871.71 = 796.70/x
3. Step 3: Cross multiply
   1,356.33x = 1,871.71 × 796.70
4. Step 4: Simplify right side
   1,356.33x = 1,491,191.36
5. Step 5: Solve for x
   x = 1,491,191.36/1,356.33
6. Step 6: Final answer
   x = 1,099.43