Finding the Fourth Proportional to 199,661.37, 275,543.85 and 109,025.75

Step by Step Solution

1. Step 1: Write the proportion equation
   199,661.37 : 275,543.85 = 109,025.75 : x
2. Step 2: Convert to fraction form
   199,661.37/275,543.85 = 109,025.75/x
3. Step 3: Cross multiply
   199,661.37x = 275,543.85 × 109,025.75
4. Step 4: Simplify right side
   199,661.37x = 30,041,374,145.27
5. Step 5: Solve for x
   x = 30,041,374,145.27/199,661.37
6. Step 6: Final answer
   x = 150,461.63