Finding the Fourth Proportional to 361,108.69, 498,323.86 and 199,960.27

Step by Step Solution

1. Step 1: Write the proportion equation
   361,108.69 : 498,323.86 = 199,960.27 : x
2. Step 2: Convert to fraction form
   361,108.69/498,323.86 = 199,960.27/x
3. Step 3: Cross multiply
   361,108.69x = 498,323.86 × 199,960.27
4. Step 4: Simplify right side
   361,108.69x = 99,644,971,847.33
5. Step 5: Solve for x
   x = 99,644,971,847.33/361,108.69
6. Step 6: Final answer
   x = 275,941.77