Finding the Fourth Proportional to 196.05, 270.59 and 113.18

Step by Step Solution

1. Step 1: Write the proportion equation
   196.05 : 270.59 = 113.18 : x
2. Step 2: Convert to fraction form
   196.05/270.59 = 113.18/x
3. Step 3: Cross multiply
   196.05x = 270.59 × 113.18
4. Step 4: Simplify right side
   196.05x = 30,623.46
5. Step 5: Solve for x
   x = 30,623.46/196.05
6. Step 6: Final answer
   x = 156.20