Finding the Fourth Proportional to 199,839.74, 275,770.62 and 109,198.82

Step by Step Solution

1. Step 1: Write the proportion equation
   199,839.74 : 275,770.62 = 109,198.82 : x
2. Step 2: Convert to fraction form
   199,839.74/275,770.62 = 109,198.82/x
3. Step 3: Cross multiply
   199,839.74x = 275,770.62 × 109,198.82
4. Step 4: Simplify right side
   199,839.74x = 30,113,824,369.82
5. Step 5: Solve for x
   x = 30,113,824,369.82/199,839.74
6. Step 6: Final answer
   x = 150,689.87