Finding the Fourth Proportional to 144,173.89, 198,976.76 and 119,931.98

Step by Step Solution

1. Step 1: Write the proportion equation
   144,173.89 : 198,976.76 = 119,931.98 : x
2. Step 2: Convert to fraction form
   144,173.89/198,976.76 = 119,931.98/x
3. Step 3: Cross multiply
   144,173.89x = 198,976.76 × 119,931.98
4. Step 4: Simplify right side
   144,173.89x = 23,863,676,800.78
5. Step 5: Solve for x
   x = 23,863,676,800.78/144,173.89
6. Step 6: Final answer
   x = 165,520.10