Finding the Fourth Proportional to 1,294.38, 1,787.25 and 797.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294.38 : 1,787.25 = 797.25 : x
2. Step 2: Convert to fraction form
   1,294.38/1,787.25 = 797.25/x
3. Step 3: Cross multiply
   1,294.38x = 1,787.25 × 797.25
4. Step 4: Simplify right side
   1,294.38x = 1,424,885.06
5. Step 5: Solve for x
   x = 1,424,885.06/1,294.38
6. Step 6: Final answer
   x = 1,100.82