Finding the Fourth Proportional to 144,667.33, 199,633.93 and 80,132.20

Step by Step Solution

1. Step 1: Write the proportion equation
   144,667.33 : 199,633.93 = 80,132.20 : x
2. Step 2: Convert to fraction form
   144,667.33/199,633.93 = 80,132.20/x
3. Step 3: Cross multiply
   144,667.33x = 199,633.93 × 80,132.20
4. Step 4: Simplify right side
   144,667.33x = 15,997,105,306.13
5. Step 5: Solve for x
   x = 15,997,105,306.13/144,667.33
6. Step 6: Final answer
   x = 110,578.56