Finding the Fourth Proportional to 144,304.92, 199,137.33 and 80,655

Step by Step Solution

1. Step 1: Write the proportion equation
   144,304.92 : 199,137.33 = 80,655 : x
2. Step 2: Convert to fraction form
   144,304.92/199,137.33 = 80,655/x
3. Step 3: Cross multiply
   144,304.92x = 199,137.33 × 80,655
4. Step 4: Simplify right side
   144,304.92x = 16,061,421,351.15
5. Step 5: Solve for x
   x = 16,061,421,351.15/144,304.92
6. Step 6: Final answer
   x = 111,301.97