Finding the Fourth Proportional to 584,253.50, 806,269.83 and 315,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   584,253.50 : 806,269.83 = 315,981.50 : x
2. Step 2: Convert to fraction form
   584,253.50/806,269.83 = 315,981.50/x
3. Step 3: Cross multiply
   584,253.50x = 806,269.83 × 315,981.50
4. Step 4: Simplify right side
   584,253.50x = 254,766,350,288.15
5. Step 5: Solve for x
   x = 254,766,350,288.15/584,253.50
6. Step 6: Final answer
   x = 436,054.47