Finding the Fourth Proportional to 196.37, 271.02 and 113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196.37 : 271.02 = 113.50 : x
2. Step 2: Convert to fraction form
   196.37/271.02 = 113.50/x
3. Step 3: Cross multiply
   196.37x = 271.02 × 113.50
4. Step 4: Simplify right side
   196.37x = 30,760.77
5. Step 5: Solve for x
   x = 30,760.77/196.37
6. Step 6: Final answer
   x = 156.65