Finding the Fourth Proportional to 144,561.96, 199,496.52 and 80,905.68

Step by Step Solution

1. Step 1: Write the proportion equation
   144,561.96 : 199,496.52 = 80,905.68 : x
2. Step 2: Convert to fraction form
   144,561.96/199,496.52 = 80,905.68/x
3. Step 3: Cross multiply
   144,561.96x = 199,496.52 × 80,905.68
4. Step 4: Simplify right side
   144,561.96x = 16,140,401,608.23
5. Step 5: Solve for x
   x = 16,140,401,608.23/144,561.96
6. Step 6: Final answer
   x = 111,650.41