Finding the Fourth Proportional to 105.00, 144.88 and 80.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105.00 : 144.88 = 80.10 : x
2. Step 2: Convert to fraction form
   105.00/144.88 = 80.10/x
3. Step 3: Cross multiply
   105.00x = 144.88 × 80.10
4. Step 4: Simplify right side
   105.00x = 11,605.25
5. Step 5: Solve for x
   x = 11,605.25/105.00
6. Step 6: Final answer
   x = 110.52