Finding the Fourth Proportional to 144,089.46, 198,846.45 and 80,429.94

Step by Step Solution

1. Step 1: Write the proportion equation
   144,089.46 : 198,846.45 = 80,429.94 : x
2. Step 2: Convert to fraction form
   144,089.46/198,846.45 = 80,429.94/x
3. Step 3: Cross multiply
   144,089.46x = 198,846.45 × 80,429.94
4. Step 4: Simplify right side
   144,089.46x = 15,993,208,042.71
5. Step 5: Solve for x
   x = 15,993,208,042.71/144,089.46
6. Step 6: Final answer
   x = 110,994.99