Finding the Fourth Proportional to 269.81, 404.69 and 162.29

Step by Step Solution

1. Step 1: Write the proportion equation
   269.81 : 404.69 = 162.29 : x
2. Step 2: Convert to fraction form
   269.81/404.69 = 162.29/x
3. Step 3: Cross multiply
   269.81x = 404.69 × 162.29
4. Step 4: Simplify right side
   269.81x = 65,674.31
5. Step 5: Solve for x
   x = 65,674.31/269.81
6. Step 6: Final answer
   x = 243.41