Finding the Fourth Proportional to 140.82, 194.29 and 111.33

Step by Step Solution

1. Step 1: Write the proportion equation
   140.82 : 194.29 = 111.33 : x
2. Step 2: Convert to fraction form
   140.82/194.29 = 111.33/x
3. Step 3: Cross multiply
   140.82x = 194.29 × 111.33
4. Step 4: Simplify right side
   140.82x = 21,629.30
5. Step 5: Solve for x
   x = 21,629.30/140.82
6. Step 6: Final answer
   x = 153.59