Finding the Fourth Proportional to 199,661.69, 275,538.81 and 109,023.41

Step by Step Solution

1. Step 1: Write the proportion equation
   199,661.69 : 275,538.81 = 109,023.41 : x
2. Step 2: Convert to fraction form
   199,661.69/275,538.81 = 109,023.41/x
3. Step 3: Cross multiply
   199,661.69x = 275,538.81 × 109,023.41
4. Step 4: Simplify right side
   199,661.69x = 30,040,179,275.85
5. Step 5: Solve for x
   x = 30,040,179,275.85/199,661.69
6. Step 6: Final answer
   x = 150,455.40