Finding the Fourth Proportional to 95.34, 142.82 and 72.25

Step by Step Solution

1. Step 1: Write the proportion equation
   95.34 : 142.82 = 72.25 : x
2. Step 2: Convert to fraction form
   95.34/142.82 = 72.25/x
3. Step 3: Cross multiply
   95.34x = 142.82 × 72.25
4. Step 4: Simplify right side
   95.34x = 10,318.63
5. Step 5: Solve for x
   x = 10,318.63/95.34
6. Step 6: Final answer
   x = 108.22