Finding the Fourth Proportional to 2,087,818.34, 3,131,729.22 and 571,513.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087,818.34 : 3,131,729.22 = 571,513.87 : x
2. Step 2: Convert to fraction form
   2,087,818.34/3,131,729.22 = 571,513.87/x
3. Step 3: Cross multiply
   2,087,818.34x = 3,131,729.22 × 571,513.87
4. Step 4: Simplify right side
   2,087,818.34x = 1,789,826,686,314.28
5. Step 5: Solve for x
   x = 1,789,826,686,314.28/2,087,818.34
6. Step 6: Final answer
   x = 857,271.27