Finding the Fourth Proportional to 196.91, 271.71 and 114.00

Step by Step Solution

1. Step 1: Write the proportion equation
   196.91 : 271.71 = 114.00 : x
2. Step 2: Convert to fraction form
   196.91/271.71 = 114.00/x
3. Step 3: Cross multiply
   196.91x = 271.71 × 114.00
4. Step 4: Simplify right side
   196.91x = 30,974.77
5. Step 5: Solve for x
   x = 30,974.77/196.91
6. Step 6: Final answer
   x = 157.31