Finding the Fourth Proportional to 584,071, 806,017.98 and 315,799

Step by Step Solution

1. Step 1: Write the proportion equation
   584,071 : 806,017.98 = 315,799 : x
2. Step 2: Convert to fraction form
   584,071/806,017.98 = 315,799/x
3. Step 3: Cross multiply
   584,071x = 806,017.98 × 315,799
4. Step 4: Simplify right side
   584,071x = 254,539,672,066.02
5. Step 5: Solve for x
   x = 254,539,672,066.02/584,071
6. Step 6: Final answer
   x = 435,802.62