Finding the Fourth Proportional to 144,395.45, 199,185.71 and 83,959.42

Step by Step Solution

1. Step 1: Write the proportion equation
   144,395.45 : 199,185.71 = 83,959.42 : x
2. Step 2: Convert to fraction form
   144,395.45/199,185.71 = 83,959.42/x
3. Step 3: Cross multiply
   144,395.45x = 199,185.71 × 83,959.42
4. Step 4: Simplify right side
   144,395.45x = 16,723,515,687.96
5. Step 5: Solve for x
   x = 16,723,515,687.96/144,395.45
6. Step 6: Final answer
   x = 115,817.47