Finding the Fourth Proportional to 144,401.12, 199,193.52 and 83,965.10

Step by Step Solution

1. Step 1: Write the proportion equation
   144,401.12 : 199,193.52 = 83,965.10 : x
2. Step 2: Convert to fraction form
   144,401.12/199,193.52 = 83,965.10/x
3. Step 3: Cross multiply
   144,401.12x = 199,193.52 × 83,965.10
4. Step 4: Simplify right side
   144,401.12x = 16,725,303,826.15
5. Step 5: Solve for x
   x = 16,725,303,826.15/144,401.12
6. Step 6: Final answer
   x = 115,825.31