Finding the Fourth Proportional to 6,243.10, 8,615.76 and 3,591.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,243.10 : 8,615.76 = 3,591.38 : x
2. Step 2: Convert to fraction form
   6,243.10/8,615.76 = 3,591.38/x
3. Step 3: Cross multiply
   6,243.10x = 8,615.76 × 3,591.38
4. Step 4: Simplify right side
   6,243.10x = 30,942,468.15
5. Step 5: Solve for x
   x = 30,942,468.15/6,243.10
6. Step 6: Final answer
   x = 4,956.27