Finding the Fourth Proportional to 196.95, 271.82 and 118.27

Step by Step Solution

1. Step 1: Write the proportion equation
   196.95 : 271.82 = 118.27 : x
2. Step 2: Convert to fraction form
   196.95/271.82 = 118.27/x
3. Step 3: Cross multiply
   196.95x = 271.82 × 118.27
4. Step 4: Simplify right side
   196.95x = 32,148.15
5. Step 5: Solve for x
   x = 32,148.15/196.95
6. Step 6: Final answer
   x = 163.23