Finding the Fourth Proportional to 6,087.29, 8,400.56 and 3,571.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,087.29 : 8,400.56 = 3,571.31 : x
2. Step 2: Convert to fraction form
   6,087.29/8,400.56 = 3,571.31/x
3. Step 3: Cross multiply
   6,087.29x = 8,400.56 × 3,571.31
4. Step 4: Simplify right side
   6,087.29x = 30,000,944.07
5. Step 5: Solve for x
   x = 30,000,944.07/6,087.29
6. Step 6: Final answer
   x = 4,928.46