Finding the Fourth Proportional to 104.82, 144.52 and 73.68

Step by Step Solution

1. Step 1: Write the proportion equation
   104.82 : 144.52 = 73.68 : x
2. Step 2: Convert to fraction form
   104.82/144.52 = 73.68/x
3. Step 3: Cross multiply
   104.82x = 144.52 × 73.68
4. Step 4: Simplify right side
   104.82x = 10,648.23
5. Step 5: Solve for x
   x = 10,648.23/104.82
6. Step 6: Final answer
   x = 101.59