Finding the Fourth Proportional to 584,061, 806,004.18 and 315,789

Step by Step Solution

1. Step 1: Write the proportion equation
   584,061 : 806,004.18 = 315,789 : x
2. Step 2: Convert to fraction form
   584,061/806,004.18 = 315,789/x
3. Step 3: Cross multiply
   584,061x = 806,004.18 × 315,789
4. Step 4: Simplify right side
   584,061x = 254,527,253,998.02
5. Step 5: Solve for x
   x = 254,527,253,998.02/584,061
6. Step 6: Final answer
   x = 435,788.82