Finding the Fourth Proportional to 131.94, 182.15 and 88.33

Step by Step Solution

1. Step 1: Write the proportion equation
   131.94 : 182.15 = 88.33 : x
2. Step 2: Convert to fraction form
   131.94/182.15 = 88.33/x
3. Step 3: Cross multiply
   131.94x = 182.15 × 88.33
4. Step 4: Simplify right side
   131.94x = 16,089.31
5. Step 5: Solve for x
   x = 16,089.31/131.94
6. Step 6: Final answer
   x = 121.94