Finding the Fourth Proportional to 196.96, 271.83 and 123.34

Step by Step Solution

1. Step 1: Write the proportion equation
   196.96 : 271.83 = 123.34 : x
2. Step 2: Convert to fraction form
   196.96/271.83 = 123.34/x
3. Step 3: Cross multiply
   196.96x = 271.83 × 123.34
4. Step 4: Simplify right side
   196.96x = 33,527.51
5. Step 5: Solve for x
   x = 33,527.51/196.96
6. Step 6: Final answer
   x = 170.22