Finding the Fourth Proportional to 669,472, 923,870.22 and 367,666

Step by Step Solution

1. Step 1: Write the proportion equation
   669,472 : 923,870.22 = 367,666 : x
2. Step 2: Convert to fraction form
   669,472/923,870.22 = 367,666/x
3. Step 3: Cross multiply
   669,472x = 923,870.22 × 367,666
4. Step 4: Simplify right side
   669,472x = 339,675,668,306.52
5. Step 5: Solve for x
   x = 339,675,668,306.52/669,472
6. Step 6: Final answer
   x = 507,378.45