Finding the Fourth Proportional to 5,345.09, 8,019.37 and 2,571.41

Step by Step Solution

1. Step 1: Write the proportion equation
   5,345.09 : 8,019.37 = 2,571.41 : x
2. Step 2: Convert to fraction form
   5,345.09/8,019.37 = 2,571.41/x
3. Step 3: Cross multiply
   5,345.09x = 8,019.37 × 2,571.41
4. Step 4: Simplify right side
   5,345.09x = 20,621,061.35
5. Step 5: Solve for x
   x = 20,621,061.35/5,345.09
6. Step 6: Final answer
   x = 3,857.94