Finding the Fourth Proportional to 584,227.54, 806,271.33 and 329,485.78

Step by Step Solution

1. Step 1: Write the proportion equation
   584,227.54 : 806,271.33 = 329,485.78 : x
2. Step 2: Convert to fraction form
   584,227.54/806,271.33 = 329,485.78/x
3. Step 3: Cross multiply
   584,227.54x = 806,271.33 × 329,485.78
4. Step 4: Simplify right side
   584,227.54x = 265,654,938,056.69
5. Step 5: Solve for x
   x = 265,654,938,056.69/584,227.54
6. Step 6: Final answer
   x = 454,711.43