Finding the Fourth Proportional to 6,089.60, 8,405.40 and 3,571.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,089.60 : 8,405.40 = 3,571.82 : x
2. Step 2: Convert to fraction form
   6,089.60/8,405.40 = 3,571.82/x
3. Step 3: Cross multiply
   6,089.60x = 8,405.40 × 3,571.82
4. Step 4: Simplify right side
   6,089.60x = 30,022,578.72
5. Step 5: Solve for x
   x = 30,022,578.72/6,089.60
6. Step 6: Final answer
   x = 4,930.14