Finding the Fourth Proportional to 104.50, 144.18 and 60.82

Step by Step Solution

1. Step 1: Write the proportion equation
   104.50 : 144.18 = 60.82 : x
2. Step 2: Convert to fraction form
   104.50/144.18 = 60.82/x
3. Step 3: Cross multiply
   104.50x = 144.18 × 60.82
4. Step 4: Simplify right side
   104.50x = 8,769.03
5. Step 5: Solve for x
   x = 8,769.03/104.50
6. Step 6: Final answer
   x = 83.91