Finding the Fourth Proportional to 144,568.56, 199,503.18 and 80,906.82

Step by Step Solution

1. Step 1: Write the proportion equation
   144,568.56 : 199,503.18 = 80,906.82 : x
2. Step 2: Convert to fraction form
   144,568.56/199,503.18 = 80,906.82/x
3. Step 3: Cross multiply
   144,568.56x = 199,503.18 × 80,906.82
4. Step 4: Simplify right side
   144,568.56x = 16,141,167,873.69
5. Step 5: Solve for x
   x = 16,141,167,873.69/144,568.56
6. Step 6: Final answer
   x = 111,650.61