Finding the Fourth Proportional to 144,499.14, 199,416.33 and 80,838

Step by Step Solution

1. Step 1: Write the proportion equation
   144,499.14 : 199,416.33 = 80,838 : x
2. Step 2: Convert to fraction form
   144,499.14/199,416.33 = 80,838/x
3. Step 3: Cross multiply
   144,499.14x = 199,416.33 × 80,838
4. Step 4: Simplify right side
   144,499.14x = 16,120,417,284.54
5. Step 5: Solve for x
   x = 16,120,417,284.54/144,499.14
6. Step 6: Final answer
   x = 111,560.65