Finding the Fourth Proportional to 144,478.73, 199,395.65 and 83,227.05

Step by Step Solution

1. Step 1: Write the proportion equation
   144,478.73 : 199,395.65 = 83,227.05 : x
2. Step 2: Convert to fraction form
   144,478.73/199,395.65 = 83,227.05/x
3. Step 3: Cross multiply
   144,478.73x = 199,395.65 × 83,227.05
4. Step 4: Simplify right side
   144,478.73x = 16,595,111,940.40
5. Step 5: Solve for x
   x = 16,595,111,940.40/144,478.73
6. Step 6: Final answer
   x = 114,861.97