Finding the Fourth Proportional to 144,513.56, 199,436.46 and 80,847.56

Step by Step Solution

1. Step 1: Write the proportion equation
   144,513.56 : 199,436.46 = 80,847.56 : x
2. Step 2: Convert to fraction form
   144,513.56/199,436.46 = 80,847.56/x
3. Step 3: Cross multiply
   144,513.56x = 199,436.46 × 80,847.56
4. Step 4: Simplify right side
   144,513.56x = 16,123,951,166.04
5. Step 5: Solve for x
   x = 16,123,951,166.04/144,513.56
6. Step 6: Final answer
   x = 111,573.97