Finding the Fourth Proportional to 196.95, 271.86 and 114.09

Step by Step Solution

1. Step 1: Write the proportion equation
   196.95 : 271.86 = 114.09 : x
2. Step 2: Convert to fraction form
   196.95/271.86 = 114.09/x
3. Step 3: Cross multiply
   196.95x = 271.86 × 114.09
4. Step 4: Simplify right side
   196.95x = 31,016.51
5. Step 5: Solve for x
   x = 31,016.51/196.95
6. Step 6: Final answer
   x = 157.48