Finding the Fourth Proportional to 199,836.18, 275,770.59 and 109,190.16

Step by Step Solution

1. Step 1: Write the proportion equation
   199,836.18 : 275,770.59 = 109,190.16 : x
2. Step 2: Convert to fraction form
   199,836.18/275,770.59 = 109,190.16/x
3. Step 3: Cross multiply
   199,836.18x = 275,770.59 × 109,190.16
4. Step 4: Simplify right side
   199,836.18x = 30,111,434,845.39
5. Step 5: Solve for x
   x = 30,111,434,845.39/199,836.18
6. Step 6: Final answer
   x = 150,680.60