Finding the Fourth Proportional to 584,168.55, 819,016.95 and 584,168.55

Step by Step Solution

1. Step 1: Write the proportion equation
   584,168.55 : 819,016.95 = 584,168.55 : x
2. Step 2: Convert to fraction form
   584,168.55/819,016.95 = 584,168.55/x
3. Step 3: Cross multiply
   584,168.55x = 819,016.95 × 584,168.55
4. Step 4: Simplify right side
   584,168.55x = 478,443,944,106.92
5. Step 5: Solve for x
   x = 478,443,944,106.92/584,168.55
6. Step 6: Final answer
   x = 819,016.95