Finding the Fourth Proportional to 144,691.86, 199,676.15 and 80,162.46

Step by Step Solution

1. Step 1: Write the proportion equation
   144,691.86 : 199,676.15 = 80,162.46 : x
2. Step 2: Convert to fraction form
   144,691.86/199,676.15 = 80,162.46/x
3. Step 3: Cross multiply
   144,691.86x = 199,676.15 × 80,162.46
4. Step 4: Simplify right side
   144,691.86x = 16,006,531,387.33
5. Step 5: Solve for x
   x = 16,006,531,387.33/144,691.86
6. Step 6: Final answer
   x = 110,624.96