Finding the Fourth Proportional to 1,216.24, 1,677.82 and 796.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,216.24 : 1,677.82 = 796.42 : x
2. Step 2: Convert to fraction form
   1,216.24/1,677.82 = 796.42/x
3. Step 3: Cross multiply
   1,216.24x = 1,677.82 × 796.42
4. Step 4: Simplify right side
   1,216.24x = 1,336,249.40
5. Step 5: Solve for x
   x = 1,336,249.40/1,216.24
6. Step 6: Final answer
   x = 1,098.67