Finding the Fourth Proportional to 104.69, 144.50 and 65.37

Step by Step Solution

1. Step 1: Write the proportion equation
   104.69 : 144.50 = 65.37 : x
2. Step 2: Convert to fraction form
   104.69/144.50 = 65.37/x
3. Step 3: Cross multiply
   104.69x = 144.50 × 65.37
4. Step 4: Simplify right side
   104.69x = 9,445.37
5. Step 5: Solve for x
   x = 9,445.37/104.69
6. Step 6: Final answer
   x = 90.22