Finding the Fourth Proportional to 584,654.59, 806,378.76 and 503,120.27

Step by Step Solution

1. Step 1: Write the proportion equation
   584,654.59 : 806,378.76 = 503,120.27 : x
2. Step 2: Convert to fraction form
   584,654.59/806,378.76 = 503,120.27/x
3. Step 3: Cross multiply
   584,654.59x = 806,378.76 × 503,120.27
4. Step 4: Simplify right side
   584,654.59x = 405,705,499,582.71
5. Step 5: Solve for x
   x = 405,705,499,582.71/584,654.59
6. Step 6: Final answer
   x = 693,923.39