Finding the Fourth Proportional to 2,570.13, 3,856.41 and 2,443.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.13 : 3,856.41 = 2,443.37 : x
2. Step 2: Convert to fraction form
   2,570.13/3,856.41 = 2,443.37/x
3. Step 3: Cross multiply
   2,570.13x = 3,856.41 × 2,443.37
4. Step 4: Simplify right side
   2,570.13x = 9,422,617.22
5. Step 5: Solve for x
   x = 9,422,617.22/2,570.13
6. Step 6: Final answer
   x = 3,666.20