Finding the Fourth Proportional to 194.72, 268.72 and 111.84

Step by Step Solution

1. Step 1: Write the proportion equation
   194.72 : 268.72 = 111.84 : x
2. Step 2: Convert to fraction form
   194.72/268.72 = 111.84/x
3. Step 3: Cross multiply
   194.72x = 268.72 × 111.84
4. Step 4: Simplify right side
   194.72x = 30,053.64
5. Step 5: Solve for x
   x = 30,053.64/194.72
6. Step 6: Final answer
   x = 154.34