Finding the Fourth Proportional to 3,418.67, 5,131.69 and 1,571.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,418.67 : 5,131.69 = 1,571.27 : x
2. Step 2: Convert to fraction form
   3,418.67/5,131.69 = 1,571.27/x
3. Step 3: Cross multiply
   3,418.67x = 5,131.69 × 1,571.27
4. Step 4: Simplify right side
   3,418.67x = 8,063,240.96
5. Step 5: Solve for x
   x = 8,063,240.96/3,418.67
6. Step 6: Final answer
   x = 2,358.59