Finding the Fourth Proportional to 6,105.71, 8,425.40 and 3,587.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.71 : 8,425.40 = 3,587.91 : x
2. Step 2: Convert to fraction form
   6,105.71/8,425.40 = 3,587.91/x
3. Step 3: Cross multiply
   6,105.71x = 8,425.40 × 3,587.91
4. Step 4: Simplify right side
   6,105.71x = 30,229,558.97
5. Step 5: Solve for x
   x = 30,229,558.97/6,105.71
6. Step 6: Final answer
   x = 4,951.03