Finding the Fourth Proportional to 196.82, 271.52 and 123.01

Step by Step Solution

1. Step 1: Write the proportion equation
   196.82 : 271.52 = 123.01 : x
2. Step 2: Convert to fraction form
   196.82/271.52 = 123.01/x
3. Step 3: Cross multiply
   196.82x = 271.52 × 123.01
4. Step 4: Simplify right side
   196.82x = 33,398.32
5. Step 5: Solve for x
   x = 33,398.32/196.82
6. Step 6: Final answer
   x = 169.69