Finding the Fourth Proportional to 269.37, 404.18 and 196.31

Step by Step Solution

1. Step 1: Write the proportion equation
   269.37 : 404.18 = 196.31 : x
2. Step 2: Convert to fraction form
   269.37/404.18 = 196.31/x
3. Step 3: Cross multiply
   269.37x = 404.18 × 196.31
4. Step 4: Simplify right side
   269.37x = 79,344.60
5. Step 5: Solve for x
   x = 79,344.60/269.37
6. Step 6: Final answer
   x = 294.56