Finding the Fourth Proportional to 880,522.28, 1,320,949.33 and 333,578.52

Step by Step Solution

1. Step 1: Write the proportion equation
   880,522.28 : 1,320,949.33 = 333,578.52 : x
2. Step 2: Convert to fraction form
   880,522.28/1,320,949.33 = 333,578.52/x
3. Step 3: Cross multiply
   880,522.28x = 1,320,949.33 × 333,578.52
4. Step 4: Simplify right side
   880,522.28x = 440,640,316,708.89
5. Step 5: Solve for x
   x = 440,640,316,708.89/880,522.28
6. Step 6: Final answer
   x = 500,430.63