Finding the Fourth Proportional to 144,164.18, 198,946.73 and 80,501.96

Step by Step Solution

1. Step 1: Write the proportion equation
   144,164.18 : 198,946.73 = 80,501.96 : x
2. Step 2: Convert to fraction form
   144,164.18/198,946.73 = 80,501.96/x
3. Step 3: Cross multiply
   144,164.18x = 198,946.73 × 80,501.96
4. Step 4: Simplify right side
   144,164.18x = 16,015,601,700.59
5. Step 5: Solve for x
   x = 16,015,601,700.59/144,164.18
6. Step 6: Final answer
   x = 111,092.80