Finding the Fourth Proportional to 743,404.39, 1,025,834.46 and 412,270.99

Step by Step Solution

1. Step 1: Write the proportion equation
   743,404.39 : 1,025,834.46 = 412,270.99 : x
2. Step 2: Convert to fraction form
   743,404.39/1,025,834.46 = 412,270.99/x
3. Step 3: Cross multiply
   743,404.39x = 1,025,834.46 × 412,270.99
4. Step 4: Simplify right side
   743,404.39x = 422,921,784,289.71
5. Step 5: Solve for x
   x = 422,921,784,289.71/743,404.39
6. Step 6: Final answer
   x = 568,898.69