Finding the Fourth Proportional to 105.97, 146.25 and 69.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105.97 : 146.25 = 69.10 : x
2. Step 2: Convert to fraction form
   105.97/146.25 = 69.10/x
3. Step 3: Cross multiply
   105.97x = 146.25 × 69.10
4. Step 4: Simplify right side
   105.97x = 10,105.88
5. Step 5: Solve for x
   x = 10,105.88/105.97
6. Step 6: Final answer
   x = 95.37