Finding the Fourth Proportional to 6,256.72, 8,630.55 and 3,898.41

Step by Step Solution

1. Step 1: Write the proportion equation
   6,256.72 : 8,630.55 = 3,898.41 : x
2. Step 2: Convert to fraction form
   6,256.72/8,630.55 = 3,898.41/x
3. Step 3: Cross multiply
   6,256.72x = 8,630.55 × 3,898.41
4. Step 4: Simplify right side
   6,256.72x = 33,645,422.43
5. Step 5: Solve for x
   x = 33,645,422.43/6,256.72
6. Step 6: Final answer
   x = 5,377.49