Finding the Fourth Proportional to 6,255.82, 8,634.72 and 3,896.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,255.82 : 8,634.72 = 3,896.56 : x
2. Step 2: Convert to fraction form
   6,255.82/8,634.72 = 3,896.56/x
3. Step 3: Cross multiply
   6,255.82x = 8,634.72 × 3,896.56
4. Step 4: Simplify right side
   6,255.82x = 33,645,704.56
5. Step 5: Solve for x
   x = 33,645,704.56/6,255.82
6. Step 6: Final answer
   x = 5,378.30