Finding the Fourth Proportional to 199,661.02, 275,530.09 and 109,016.70

Step by Step Solution

1. Step 1: Write the proportion equation
   199,661.02 : 275,530.09 = 109,016.70 : x
2. Step 2: Convert to fraction form
   199,661.02/275,530.09 = 109,016.70/x
3. Step 3: Cross multiply
   199,661.02x = 275,530.09 × 109,016.70
4. Step 4: Simplify right side
   199,661.02x = 30,037,381,162.50
5. Step 5: Solve for x
   x = 30,037,381,162.50/199,661.02
6. Step 6: Final answer
   x = 150,441.89