Finding the Fourth Proportional to 1,356.57, 1,872.05 and 796.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356.57 : 1,872.05 = 796.94 : x
2. Step 2: Convert to fraction form
   1,356.57/1,872.05 = 796.94/x
3. Step 3: Cross multiply
   1,356.57x = 1,872.05 × 796.94
4. Step 4: Simplify right side
   1,356.57x = 1,491,898.18
5. Step 5: Solve for x
   x = 1,491,898.18/1,356.57
6. Step 6: Final answer
   x = 1,099.76