Finding the Fourth Proportional to 1,511,105.90, 2,085,363.53 and 822,815.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511,105.90 : 2,085,363.53 = 822,815.48 : x
2. Step 2: Convert to fraction form
   1,511,105.90/2,085,363.53 = 822,815.48/x
3. Step 3: Cross multiply
   1,511,105.90x = 2,085,363.53 × 822,815.48
4. Step 4: Simplify right side
   1,511,105.90x = 1,715,869,398,096.33
5. Step 5: Solve for x
   x = 1,715,869,398,096.33/1,511,105.90
6. Step 6: Final answer
   x = 1,135,505.73