Finding the Fourth Proportional to 269.82, 404.71 and 162.29

Step by Step Solution

1. Step 1: Write the proportion equation
   269.82 : 404.71 = 162.29 : x
2. Step 2: Convert to fraction form
   269.82/404.71 = 162.29/x
3. Step 3: Cross multiply
   269.82x = 404.71 × 162.29
4. Step 4: Simplify right side
   269.82x = 65,680.39
5. Step 5: Solve for x
   x = 65,680.39/269.82
6. Step 6: Final answer
   x = 243.42