Finding the Fourth Proportional to 144,333, 199,176.09 and 80,676.72

Step by Step Solution

1. Step 1: Write the proportion equation
   144,333 : 199,176.09 = 80,676.72 : x
2. Step 2: Convert to fraction form
   144,333/199,176.09 = 80,676.72/x
3. Step 3: Cross multiply
   144,333x = 199,176.09 × 80,676.72
4. Step 4: Simplify right side
   144,333x = 16,068,873,643.62
5. Step 5: Solve for x
   x = 16,068,873,643.62/144,333
6. Step 6: Final answer
   x = 111,331.95