Finding the Fourth Proportional to 2,057,535.88, 3,085,805.34 and 858,808.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,535.88 : 3,085,805.34 = 858,808.37 : x
2. Step 2: Convert to fraction form
   2,057,535.88/3,085,805.34 = 858,808.37/x
3. Step 3: Cross multiply
   2,057,535.88x = 3,085,805.34 × 858,808.37
4. Step 4: Simplify right side
   2,057,535.88x = 2,650,115,461,897.21
5. Step 5: Solve for x
   x = 2,650,115,461,897.21/2,057,535.88
6. Step 6: Final answer
   x = 1,288,004.50