Finding the Fourth Proportional to 828,985.38, 1,143,991.72 and 461,456.69

Step by Step Solution

1. Step 1: Write the proportion equation
   828,985.38 : 1,143,991.72 = 461,456.69 : x
2. Step 2: Convert to fraction form
   828,985.38/1,143,991.72 = 461,456.69/x
3. Step 3: Cross multiply
   828,985.38x = 1,143,991.72 × 461,456.69
4. Step 4: Simplify right side
   828,985.38x = 527,902,627,355.47
5. Step 5: Solve for x
   x = 527,902,627,355.47/828,985.38
6. Step 6: Final answer
   x = 636,805.72