Finding the Fourth Proportional to 1,296.33, 1,788.98 and 798.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,296.33 : 1,788.98 = 798.79 : x
2. Step 2: Convert to fraction form
   1,296.33/1,788.98 = 798.79/x
3. Step 3: Cross multiply
   1,296.33x = 1,788.98 × 798.79
4. Step 4: Simplify right side
   1,296.33x = 1,429,019.33
5. Step 5: Solve for x
   x = 1,429,019.33/1,296.33
6. Step 6: Final answer
   x = 1,102.36