Finding the Fourth Proportional to 1,356.84, 1,872.11 and 797.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356.84 : 1,872.11 = 797.27 : x
2. Step 2: Convert to fraction form
   1,356.84/1,872.11 = 797.27/x
3. Step 3: Cross multiply
   1,356.84x = 1,872.11 × 797.27
4. Step 4: Simplify right side
   1,356.84x = 1,492,569.77
5. Step 5: Solve for x
   x = 1,492,569.77/1,356.84
6. Step 6: Final answer
   x = 1,100.03