Finding the Fourth Proportional to 199,709, 275,600.63 and 109,067.64

Step by Step Solution

1. Step 1: Write the proportion equation
   199,709 : 275,600.63 = 109,067.64 : x
2. Step 2: Convert to fraction form
   199,709/275,600.63 = 109,067.64/x
3. Step 3: Cross multiply
   199,709x = 275,600.63 × 109,067.64
4. Step 4: Simplify right side
   199,709x = 30,059,108,373.27
5. Step 5: Solve for x
   x = 30,059,108,373.27/199,709
6. Step 6: Final answer
   x = 150,514.54