Finding the Fourth Proportional to 199,665.02, 275,535.61 and 109,020.70

Step by Step Solution

1. Step 1: Write the proportion equation
   199,665.02 : 275,535.61 = 109,020.70 : x
2. Step 2: Convert to fraction form
   199,665.02/275,535.61 = 109,020.70/x
3. Step 3: Cross multiply
   199,665.02x = 275,535.61 × 109,020.70
4. Step 4: Simplify right side
   199,665.02x = 30,039,085,077.13
5. Step 5: Solve for x
   x = 30,039,085,077.13/199,665.02
6. Step 6: Final answer
   x = 150,447.41