Finding the Fourth Proportional to 104.69, 144.59 and 83.03

Step by Step Solution

1. Step 1: Write the proportion equation
   104.69 : 144.59 = 83.03 : x
2. Step 2: Convert to fraction form
   104.69/144.59 = 83.03/x
3. Step 3: Cross multiply
   104.69x = 144.59 × 83.03
4. Step 4: Simplify right side
   104.69x = 12,004.17
5. Step 5: Solve for x
   x = 12,004.17/104.69
6. Step 6: Final answer
   x = 114.66