Finding the Fourth Proportional to 144,856.50, 199,891.86 and 80,329.02

Step by Step Solution

1. Step 1: Write the proportion equation
   144,856.50 : 199,891.86 = 80,329.02 : x
2. Step 2: Convert to fraction form
   144,856.50/199,891.86 = 80,329.02/x
3. Step 3: Cross multiply
   144,856.50x = 199,891.86 × 80,329.02
4. Step 4: Simplify right side
   144,856.50x = 16,057,117,219.78
5. Step 5: Solve for x
   x = 16,057,117,219.78/144,856.50
6. Step 6: Final answer
   x = 110,848.44