Finding the Fourth Proportional to 144,057, 198,800.46 and 83,630.19

Step by Step Solution

1. Step 1: Write the proportion equation
   144,057 : 198,800.46 = 83,630.19 : x
2. Step 2: Convert to fraction form
   144,057/198,800.46 = 83,630.19/x
3. Step 3: Cross multiply
   144,057x = 198,800.46 × 83,630.19
4. Step 4: Simplify right side
   144,057x = 16,625,720,241.89
5. Step 5: Solve for x
   x = 16,625,720,241.89/144,057
6. Step 6: Final answer
   x = 115,410.71