Finding the Fourth Proportional to 95.43, 131.94 and 79.89

Step by Step Solution

1. Step 1: Write the proportion equation
   95.43 : 131.94 = 79.89 : x
2. Step 2: Convert to fraction form
   95.43/131.94 = 79.89/x
3. Step 3: Cross multiply
   95.43x = 131.94 × 79.89
4. Step 4: Simplify right side
   95.43x = 10,540.69
5. Step 5: Solve for x
   x = 10,540.69/95.43
6. Step 6: Final answer
   x = 110.45