Finding the Fourth Proportional to 610,350.50, 842,293.82 and 338,429.86

Step by Step Solution

1. Step 1: Write the proportion equation
   610,350.50 : 842,293.82 = 338,429.86 : x
2. Step 2: Convert to fraction form
   610,350.50/842,293.82 = 338,429.86/x
3. Step 3: Cross multiply
   610,350.50x = 842,293.82 × 338,429.86
4. Step 4: Simplify right side
   610,350.50x = 285,057,379,581.47
5. Step 5: Solve for x
   x = 285,057,379,581.47/610,350.50
6. Step 6: Final answer
   x = 467,038.82