Finding the Fourth Proportional to 104.72, 144.50 and 73.59

Step by Step Solution

1. Step 1: Write the proportion equation
   104.72 : 144.50 = 73.59 : x
2. Step 2: Convert to fraction form
   104.72/144.50 = 73.59/x
3. Step 3: Cross multiply
   104.72x = 144.50 × 73.59
4. Step 4: Simplify right side
   104.72x = 10,633.39
5. Step 5: Solve for x
   x = 10,633.39/104.72
6. Step 6: Final answer
   x = 101.55