Finding the Fourth Proportional to 196.83, 271.61 and 113.94

Step by Step Solution

1. Step 1: Write the proportion equation
   196.83 : 271.61 = 113.94 : x
2. Step 2: Convert to fraction form
   196.83/271.61 = 113.94/x
3. Step 3: Cross multiply
   196.83x = 271.61 × 113.94
4. Step 4: Simplify right side
   196.83x = 30,948.55
5. Step 5: Solve for x
   x = 30,948.55/196.83
6. Step 6: Final answer
   x = 157.23