Finding the Fourth Proportional to 196.98, 272.01 and 196.53

Step by Step Solution

1. Step 1: Write the proportion equation
   196.98 : 272.01 = 196.53 : x
2. Step 2: Convert to fraction form
   196.98/272.01 = 196.53/x
3. Step 3: Cross multiply
   196.98x = 272.01 × 196.53
4. Step 4: Simplify right side
   196.98x = 53,456.74
5. Step 5: Solve for x
   x = 53,456.74/196.98
6. Step 6: Final answer
   x = 271.38