Finding the Fourth Proportional to 196.83, 271.52 and 118.10

Step by Step Solution

1. Step 1: Write the proportion equation
   196.83 : 271.52 = 118.10 : x
2. Step 2: Convert to fraction form
   196.83/271.52 = 118.10/x
3. Step 3: Cross multiply
   196.83x = 271.52 × 118.10
4. Step 4: Simplify right side
   196.83x = 32,066.51
5. Step 5: Solve for x
   x = 32,066.51/196.83
6. Step 6: Final answer
   x = 162.91