Finding the Fourth Proportional to 6,105.15, 8,425.41 and 3,587.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.15 : 8,425.41 = 3,587.40 : x
2. Step 2: Convert to fraction form
   6,105.15/8,425.41 = 3,587.40/x
3. Step 3: Cross multiply
   6,105.15x = 8,425.41 × 3,587.40
4. Step 4: Simplify right side
   6,105.15x = 30,225,315.83
5. Step 5: Solve for x
   x = 30,225,315.83/6,105.15
6. Step 6: Final answer
   x = 4,950.79