Finding the Fourth Proportional to 2,087,822.09, 3,131,734.86 and 571,517.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087,822.09 : 3,131,734.86 = 571,517.60 : x
2. Step 2: Convert to fraction form
   2,087,822.09/3,131,734.86 = 571,517.60/x
3. Step 3: Cross multiply
   2,087,822.09x = 3,131,734.86 × 571,517.60
4. Step 4: Simplify right side
   2,087,822.09x = 1,789,841,591,023.54
5. Step 5: Solve for x
   x = 1,789,841,591,023.54/2,087,822.09
6. Step 6: Final answer
   x = 857,276.87