Finding the Fourth Proportional to 1,356.96, 1,872.59 and 797.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356.96 : 1,872.59 = 797.33 : x
2. Step 2: Convert to fraction form
   1,356.96/1,872.59 = 797.33/x
3. Step 3: Cross multiply
   1,356.96x = 1,872.59 × 797.33
4. Step 4: Simplify right side
   1,356.96x = 1,493,072.18
5. Step 5: Solve for x
   x = 1,493,072.18/1,356.96
6. Step 6: Final answer
   x = 1,100.31