Finding the Fourth Proportional to 682,404.24, 1,022,380.56 and 401,768.40

Step by Step Solution

1. Step 1: Write the proportion equation
   682,404.24 : 1,022,380.56 = 401,768.40 : x
2. Step 2: Convert to fraction form
   682,404.24/1,022,380.56 = 401,768.40/x
3. Step 3: Cross multiply
   682,404.24x = 1,022,380.56 × 401,768.40
4. Step 4: Simplify right side
   682,404.24x = 410,760,201,782.30
5. Step 5: Solve for x
   x = 410,760,201,782.30/682,404.24
6. Step 6: Final answer
   x = 601,930.91