Finding the Fourth Proportional to 446,814.42, 616,603.86 and 245,610.42

Step by Step Solution

1. Step 1: Write the proportion equation
   446,814.42 : 616,603.86 = 245,610.42 : x
2. Step 2: Convert to fraction form
   446,814.42/616,603.86 = 245,610.42/x
3. Step 3: Cross multiply
   446,814.42x = 616,603.86 × 245,610.42
4. Step 4: Simplify right side
   446,814.42x = 151,444,333,028.22
5. Step 5: Solve for x
   x = 151,444,333,028.22/446,814.42
6. Step 6: Final answer
   x = 338,942.36