Finding the Fourth Proportional to 196.24, 270.72 and 122.52

Step by Step Solution

1. Step 1: Write the proportion equation
   196.24 : 270.72 = 122.52 : x
2. Step 2: Convert to fraction form
   196.24/270.72 = 122.52/x
3. Step 3: Cross multiply
   196.24x = 270.72 × 122.52
4. Step 4: Simplify right side
   196.24x = 33,168.61
5. Step 5: Solve for x
   x = 33,168.61/196.24
6. Step 6: Final answer
   x = 169.02