Finding the Fourth Proportional to 6,271.04, 8,647.32 and 3,912.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,271.04 : 8,647.32 = 3,912.56 : x
2. Step 2: Convert to fraction form
   6,271.04/8,647.32 = 3,912.56/x
3. Step 3: Cross multiply
   6,271.04x = 8,647.32 × 3,912.56
4. Step 4: Simplify right side
   6,271.04x = 33,833,158.34
5. Step 5: Solve for x
   x = 33,833,158.34/6,271.04
6. Step 6: Final answer
   x = 5,395.14