Finding the Fourth Proportional to 196.71, 271.52 and 113.83

Step by Step Solution

1. Step 1: Write the proportion equation
   196.71 : 271.52 = 113.83 : x
2. Step 2: Convert to fraction form
   196.71/271.52 = 113.83/x
3. Step 3: Cross multiply
   196.71x = 271.52 × 113.83
4. Step 4: Simplify right side
   196.71x = 30,907.12
5. Step 5: Solve for x
   x = 30,907.12/196.71
6. Step 6: Final answer
   x = 157.12