Finding the Fourth Proportional to 828,562.38, 1,143,573.04 and 518,608.69

Step by Step Solution

1. Step 1: Write the proportion equation
   828,562.38 : 1,143,573.04 = 518,608.69 : x
2. Step 2: Convert to fraction form
   828,562.38/1,143,573.04 = 518,608.69/x
3. Step 3: Cross multiply
   828,562.38x = 1,143,573.04 × 518,608.69
4. Step 4: Simplify right side
   828,562.38x = 593,066,917,498.47
5. Step 5: Solve for x
   x = 593,066,917,498.47/828,562.38
6. Step 6: Final answer
   x = 715,778.23