Finding the Fourth Proportional to 1,427.36, 1,969.69 and 797.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427.36 : 1,969.69 = 797.85 : x
2. Step 2: Convert to fraction form
   1,427.36/1,969.69 = 797.85/x
3. Step 3: Cross multiply
   1,427.36x = 1,969.69 × 797.85
4. Step 4: Simplify right side
   1,427.36x = 1,571,517.17
5. Step 5: Solve for x
   x = 1,571,517.17/1,427.36
6. Step 6: Final answer
   x = 1,101.00