Finding the Fourth Proportional to 199,580.43, 275,410.88 and 108,935.66

Step by Step Solution

1. Step 1: Write the proportion equation
   199,580.43 : 275,410.88 = 108,935.66 : x
2. Step 2: Convert to fraction form
   199,580.43/275,410.88 = 108,935.66/x
3. Step 3: Cross multiply
   199,580.43x = 275,410.88 × 108,935.66
4. Step 4: Simplify right side
   199,580.43x = 30,002,066,536.34
5. Step 5: Solve for x
   x = 30,002,066,536.34/199,580.43
6. Step 6: Final answer
   x = 150,325.69