Finding the Fourth Proportional to 6,664.82, 9,982.86 and 3,149.53

Step by Step Solution

1. Step 1: Write the proportion equation
   6,664.82 : 9,982.86 = 3,149.53 : x
2. Step 2: Convert to fraction form
   6,664.82/9,982.86 = 3,149.53/x
3. Step 3: Cross multiply
   6,664.82x = 9,982.86 × 3,149.53
4. Step 4: Simplify right side
   6,664.82x = 31,441,251.39
5. Step 5: Solve for x
   x = 31,441,251.39/6,664.82
6. Step 6: Final answer
   x = 4,717.49