Finding the Fourth Proportional to 199,830.16, 275,757.41 and 109,189.24

Step by Step Solution

1. Step 1: Write the proportion equation
   199,830.16 : 275,757.41 = 109,189.24 : x
2. Step 2: Convert to fraction form
   199,830.16/275,757.41 = 109,189.24/x
3. Step 3: Cross multiply
   199,830.16x = 275,757.41 × 109,189.24
4. Step 4: Simplify right side
   199,830.16x = 30,109,742,022.27
5. Step 5: Solve for x
   x = 30,109,742,022.27/199,830.16
6. Step 6: Final answer
   x = 150,676.66