Finding the Fourth Proportional to 144,500.14, 199,417.71 and 80,839

Step by Step Solution

1. Step 1: Write the proportion equation
   144,500.14 : 199,417.71 = 80,839 : x
2. Step 2: Convert to fraction form
   144,500.14/199,417.71 = 80,839/x
3. Step 3: Cross multiply
   144,500.14x = 199,417.71 × 80,839
4. Step 4: Simplify right side
   144,500.14x = 16,120,728,258.69
5. Step 5: Solve for x
   x = 16,120,728,258.69/144,500.14
6. Step 6: Final answer
   x = 111,562.03