Finding the Fourth Proportional to 269.82, 404.27 and 148.17

Step by Step Solution

1. Step 1: Write the proportion equation
   269.82 : 404.27 = 148.17 : x
2. Step 2: Convert to fraction form
   269.82/404.27 = 148.17/x
3. Step 3: Cross multiply
   269.82x = 404.27 × 148.17
4. Step 4: Simplify right side
   269.82x = 59,900.69
5. Step 5: Solve for x
   x = 59,900.69/269.82
6. Step 6: Final answer
   x = 222.00