Finding the Fourth Proportional to 196.27, 294.27 and 144.82

Step by Step Solution

1. Step 1: Write the proportion equation
   196.27 : 294.27 = 144.82 : x
2. Step 2: Convert to fraction form
   196.27/294.27 = 144.82/x
3. Step 3: Cross multiply
   196.27x = 294.27 × 144.82
4. Step 4: Simplify right side
   196.27x = 42,616.18
5. Step 5: Solve for x
   x = 42,616.18/196.27
6. Step 6: Final answer
   x = 217.13