Finding the Fourth Proportional to 199,443.78, 275,233.32 and 108,799.46

Step by Step Solution

1. Step 1: Write the proportion equation
   199,443.78 : 275,233.32 = 108,799.46 : x
2. Step 2: Convert to fraction form
   199,443.78/275,233.32 = 108,799.46/x
3. Step 3: Cross multiply
   199,443.78x = 275,233.32 × 108,799.46
4. Step 4: Simplify right side
   199,443.78x = 29,945,236,046.01
5. Step 5: Solve for x
   x = 29,945,236,046.01/199,443.78
6. Step 6: Final answer
   x = 150,143.74