Finding the Fourth Proportional to 105.99, 146.25 and 73.23

Step by Step Solution

1. Step 1: Write the proportion equation
   105.99 : 146.25 = 73.23 : x
2. Step 2: Convert to fraction form
   105.99/146.25 = 73.23/x
3. Step 3: Cross multiply
   105.99x = 146.25 × 73.23
4. Step 4: Simplify right side
   105.99x = 10,709.89
5. Step 5: Solve for x
   x = 10,709.89/105.99
6. Step 6: Final answer
   x = 101.05