Finding the Fourth Proportional to 2,570.94, 3,851.37 and 2,020.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.94 : 3,851.37 = 2,020.59 : x
2. Step 2: Convert to fraction form
   2,570.94/3,851.37 = 2,020.59/x
3. Step 3: Cross multiply
   2,570.94x = 3,851.37 × 2,020.59
4. Step 4: Simplify right side
   2,570.94x = 7,782,039.71
5. Step 5: Solve for x
   x = 7,782,039.71/2,570.94
6. Step 6: Final answer
   x = 3,026.92