Finding the Fourth Proportional to 196.22, 293.89 and 112.73

Step by Step Solution

1. Step 1: Write the proportion equation
   196.22 : 293.89 = 112.73 : x
2. Step 2: Convert to fraction form
   196.22/293.89 = 112.73/x
3. Step 3: Cross multiply
   196.22x = 293.89 × 112.73
4. Step 4: Simplify right side
   196.22x = 33,128.47
5. Step 5: Solve for x
   x = 33,128.47/196.22
6. Step 6: Final answer
   x = 168.83