Finding the Fourth Proportional to 199,940.72, 275,918.25 and 109,297.08

Step by Step Solution

1. Step 1: Write the proportion equation
   199,940.72 : 275,918.25 = 109,297.08 : x
2. Step 2: Convert to fraction form
   199,940.72/275,918.25 = 109,297.08/x
3. Step 3: Cross multiply
   199,940.72x = 275,918.25 × 109,297.08
4. Step 4: Simplify right side
   199,940.72x = 30,157,059,043.71
5. Step 5: Solve for x
   x = 30,157,059,043.71/199,940.72
6. Step 6: Final answer
   x = 150,830.01