Finding the Fourth Proportional to 199,749.46, 275,653.94 and 109,105.42

Step by Step Solution

1. Step 1: Write the proportion equation
   199,749.46 : 275,653.94 = 109,105.42 : x
2. Step 2: Convert to fraction form
   199,749.46/275,653.94 = 109,105.42/x
3. Step 3: Cross multiply
   199,749.46x = 275,653.94 × 109,105.42
4. Step 4: Simplify right side
   199,749.46x = 30,075,339,311.11
5. Step 5: Solve for x
   x = 30,075,339,311.11/199,749.46
6. Step 6: Final answer
   x = 150,565.31