Finding the Fourth Proportional to 199,658.82, 275,530.01 and 109,016.79

Step by Step Solution

1. Step 1: Write the proportion equation
   199,658.82 : 275,530.01 = 109,016.79 : x
2. Step 2: Convert to fraction form
   199,658.82/275,530.01 = 109,016.79/x
3. Step 3: Cross multiply
   199,658.82x = 275,530.01 × 109,016.79
4. Step 4: Simplify right side
   199,658.82x = 30,037,395,660.55
5. Step 5: Solve for x
   x = 30,037,395,660.55/199,658.82
6. Step 6: Final answer
   x = 150,443.62