Finding the Fourth Proportional to 95.72, 131.84 and 82.56

Step by Step Solution

1. Step 1: Write the proportion equation
   95.72 : 131.84 = 82.56 : x
2. Step 2: Convert to fraction form
   95.72/131.84 = 82.56/x
3. Step 3: Cross multiply
   95.72x = 131.84 × 82.56
4. Step 4: Simplify right side
   95.72x = 10,884.71
5. Step 5: Solve for x
   x = 10,884.71/95.72
6. Step 6: Final answer
   x = 113.71