Finding the Fourth Proportional to 196.79, 271.52 and 118.06

Step by Step Solution

1. Step 1: Write the proportion equation
   196.79 : 271.52 = 118.06 : x
2. Step 2: Convert to fraction form
   196.79/271.52 = 118.06/x
3. Step 3: Cross multiply
   196.79x = 271.52 × 118.06
4. Step 4: Simplify right side
   196.79x = 32,055.06
5. Step 5: Solve for x
   x = 32,055.06/196.79
6. Step 6: Final answer
   x = 162.89