Finding the Fourth Proportional to 196.50, 271.18 and 118.88

Step by Step Solution

1. Step 1: Write the proportion equation
   196.50 : 271.18 = 118.88 : x
2. Step 2: Convert to fraction form
   196.50/271.18 = 118.88/x
3. Step 3: Cross multiply
   196.50x = 271.18 × 118.88
4. Step 4: Simplify right side
   196.50x = 32,237.88
5. Step 5: Solve for x
   x = 32,237.88/196.50
6. Step 6: Final answer
   x = 164.06