Finding the Fourth Proportional to 6,239.82, 8,610.30 and 3,587.61

Step by Step Solution

1. Step 1: Write the proportion equation
   6,239.82 : 8,610.30 = 3,587.61 : x
2. Step 2: Convert to fraction form
   6,239.82/8,610.30 = 3,587.61/x
3. Step 3: Cross multiply
   6,239.82x = 8,610.30 × 3,587.61
4. Step 4: Simplify right side
   6,239.82x = 30,890,398.38
5. Step 5: Solve for x
   x = 30,890,398.38/6,239.82
6. Step 6: Final answer
   x = 4,950.53