Finding the Fourth Proportional to 144,691.58, 199,675.86 and 80,162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   144,691.58 : 199,675.86 = 80,162.72 : x
2. Step 2: Convert to fraction form
   144,691.58/199,675.86 = 80,162.72/x
3. Step 3: Cross multiply
   144,691.58x = 199,675.86 × 80,162.72
4. Step 4: Simplify right side
   144,691.58x = 16,006,560,055.94
5. Step 5: Solve for x
   x = 16,006,560,055.94/144,691.58
6. Step 6: Final answer
   x = 110,625.37