Finding the Fourth Proportional to 144,388.50, 199,250.31 and 79,853.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,388.50 : 199,250.31 = 79,853.50 : x
2. Step 2: Convert to fraction form
   144,388.50/199,250.31 = 79,853.50/x
3. Step 3: Cross multiply
   144,388.50x = 199,250.31 × 79,853.50
4. Step 4: Simplify right side
   144,388.50x = 15,910,834,629.59
5. Step 5: Solve for x
   x = 15,910,834,629.59/144,388.50
6. Step 6: Final answer
   x = 110,194.61