Finding the Fourth Proportional to 196.16, 270.72 and 118.52

Step by Step Solution

1. Step 1: Write the proportion equation
   196.16 : 270.72 = 118.52 : x
2. Step 2: Convert to fraction form
   196.16/270.72 = 118.52/x
3. Step 3: Cross multiply
   196.16x = 270.72 × 118.52
4. Step 4: Simplify right side
   196.16x = 32,085.73
5. Step 5: Solve for x
   x = 32,085.73/196.16
6. Step 6: Final answer
   x = 163.57