Finding the Fourth Proportional to 501,144.37, 687,744.83 and 497,601.43

Step by Step Solution

1. Step 1: Write the proportion equation
   501,144.37 : 687,744.83 = 497,601.43 : x
2. Step 2: Convert to fraction form
   501,144.37/687,744.83 = 497,601.43/x
3. Step 3: Cross multiply
   501,144.37x = 687,744.83 × 497,601.43
4. Step 4: Simplify right side
   501,144.37x = 342,222,807,608.74
5. Step 5: Solve for x
   x = 342,222,807,608.74/501,144.37
6. Step 6: Final answer
   x = 682,882.68