Finding the Fourth Proportional to 6,389.55, 9,585.27 and 3,271.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,389.55 : 9,585.27 = 3,271.32 : x
2. Step 2: Convert to fraction form
   6,389.55/9,585.27 = 3,271.32/x
3. Step 3: Cross multiply
   6,389.55x = 9,585.27 × 3,271.32
4. Step 4: Simplify right side
   6,389.55x = 31,356,485.46
5. Step 5: Solve for x
   x = 31,356,485.46/6,389.55
6. Step 6: Final answer
   x = 4,907.46