Finding the Fourth Proportional to 196.06, 270.57 and 118.42

Step by Step Solution

1. Step 1: Write the proportion equation
   196.06 : 270.57 = 118.42 : x
2. Step 2: Convert to fraction form
   196.06/270.57 = 118.42/x
3. Step 3: Cross multiply
   196.06x = 270.57 × 118.42
4. Step 4: Simplify right side
   196.06x = 32,040.90
5. Step 5: Solve for x
   x = 32,040.90/196.06
6. Step 6: Final answer
   x = 163.42