Finding the Fourth Proportional to 196.93, 271.72 and 109.60

Step by Step Solution

1. Step 1: Write the proportion equation
   196.93 : 271.72 = 109.60 : x
2. Step 2: Convert to fraction form
   196.93/271.72 = 109.60/x
3. Step 3: Cross multiply
   196.93x = 271.72 × 109.60
4. Step 4: Simplify right side
   196.93x = 29,781.50
5. Step 5: Solve for x
   x = 29,781.50/196.93
6. Step 6: Final answer
   x = 151.23