Finding the Fourth Proportional to 131.94, 182.39 and 111.33

Step by Step Solution

1. Step 1: Write the proportion equation
   131.94 : 182.39 = 111.33 : x
2. Step 2: Convert to fraction form
   131.94/182.39 = 111.33/x
3. Step 3: Cross multiply
   131.94x = 182.39 × 111.33
4. Step 4: Simplify right side
   131.94x = 20,304.92
5. Step 5: Solve for x
   x = 20,304.92/131.94
6. Step 6: Final answer
   x = 153.90