Finding the Fourth Proportional to 199,841.72, 275,772.99 and 109,196.24

Step by Step Solution

1. Step 1: Write the proportion equation
   199,841.72 : 275,772.99 = 109,196.24 : x
2. Step 2: Convert to fraction form
   199,841.72/275,772.99 = 109,196.24/x
3. Step 3: Cross multiply
   199,841.72x = 275,772.99 × 109,196.24
4. Step 4: Simplify right side
   199,841.72x = 30,113,373,601.56
5. Step 5: Solve for x
   x = 30,113,373,601.56/199,841.72
6. Step 6: Final answer
   x = 150,686.12