Finding the Fourth Proportional to 3,982.41, 5,978.24 and 2,137.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982.41 : 5,978.24 = 2,137.14 : x
2. Step 2: Convert to fraction form
   3,982.41/5,978.24 = 2,137.14/x
3. Step 3: Cross multiply
   3,982.41x = 5,978.24 × 2,137.14
4. Step 4: Simplify right side
   3,982.41x = 12,776,325.15
5. Step 5: Solve for x
   x = 12,776,325.15/3,982.41
6. Step 6: Final answer
   x = 3,208.19