Finding the Fourth Proportional to 196.22, 270.83 and 113.33

Step by Step Solution

1. Step 1: Write the proportion equation
   196.22 : 270.83 = 113.33 : x
2. Step 2: Convert to fraction form
   196.22/270.83 = 113.33/x
3. Step 3: Cross multiply
   196.22x = 270.83 × 113.33
4. Step 4: Simplify right side
   196.22x = 30,692.60
5. Step 5: Solve for x
   x = 30,692.60/196.22
6. Step 6: Final answer
   x = 156.42