Finding the Fourth Proportional to 131.84, 181.98 and 82.82

Step by Step Solution

1. Step 1: Write the proportion equation
   131.84 : 181.98 = 82.82 : x
2. Step 2: Convert to fraction form
   131.84/181.98 = 82.82/x
3. Step 3: Cross multiply
   131.84x = 181.98 × 82.82
4. Step 4: Simplify right side
   131.84x = 15,071.58
5. Step 5: Solve for x
   x = 15,071.58/131.84
6. Step 6: Final answer
   x = 114.32