Finding the Fourth Proportional to 446,995.69, 616,854.15 and 245,791.69

Step by Step Solution

1. Step 1: Write the proportion equation
   446,995.69 : 616,854.15 = 245,791.69 : x
2. Step 2: Convert to fraction form
   446,995.69/616,854.15 = 245,791.69/x
3. Step 3: Cross multiply
   446,995.69x = 616,854.15 × 245,791.69
4. Step 4: Simplify right side
   446,995.69x = 151,617,622,469.88
5. Step 5: Solve for x
   x = 151,617,622,469.88/446,995.69
6. Step 6: Final answer
   x = 339,192.58