Finding the Fourth Proportional to 105.82, 146.05 and 69.03

Step by Step Solution

1. Step 1: Write the proportion equation
   105.82 : 146.05 = 69.03 : x
2. Step 2: Convert to fraction form
   105.82/146.05 = 69.03/x
3. Step 3: Cross multiply
   105.82x = 146.05 × 69.03
4. Step 4: Simplify right side
   105.82x = 10,081.66
5. Step 5: Solve for x
   x = 10,081.66/105.82
6. Step 6: Final answer
   x = 95.27