Finding the Fourth Proportional to 6,256.82, 8,636.10 and 3,897.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,256.82 : 8,636.10 = 3,897.56 : x
2. Step 2: Convert to fraction form
   6,256.82/8,636.10 = 3,897.56/x
3. Step 3: Cross multiply
   6,256.82x = 8,636.10 × 3,897.56
4. Step 4: Simplify right side
   6,256.82x = 33,659,717.92
5. Step 5: Solve for x
   x = 33,659,717.92/6,256.82
6. Step 6: Final answer
   x = 5,379.68