Finding the Fourth Proportional to 714,456.37, 985,949.31 and 404,353.29

Step by Step Solution

1. Step 1: Write the proportion equation
   714,456.37 : 985,949.31 = 404,353.29 : x
2. Step 2: Convert to fraction form
   714,456.37/985,949.31 = 404,353.29/x
3. Step 3: Cross multiply
   714,456.37x = 985,949.31 × 404,353.29
4. Step 4: Simplify right side
   714,456.37x = 398,671,848,788.06
5. Step 5: Solve for x
   x = 398,671,848,788.06/714,456.37
6. Step 6: Final answer
   x = 558,007.27