Finding the Fourth Proportional to 8,099.82, 12,146.76 and 3,938.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,099.82 : 12,146.76 = 3,938.58 : x
2. Step 2: Convert to fraction form
   8,099.82/12,146.76 = 3,938.58/x
3. Step 3: Cross multiply
   8,099.82x = 12,146.76 × 3,938.58
4. Step 4: Simplify right side
   8,099.82x = 47,840,986.00
5. Step 5: Solve for x
   x = 47,840,986.00/8,099.82
6. Step 6: Final answer
   x = 5,906.43