Finding the Fourth Proportional to 8,100.92, 12,150.98 and 3,171.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.92 : 12,150.98 = 3,171.46 : x
2. Step 2: Convert to fraction form
   8,100.92/12,150.98 = 3,171.46/x
3. Step 3: Cross multiply
   8,100.92x = 12,150.98 × 3,171.46
4. Step 4: Simplify right side
   8,100.92x = 38,536,369.15
5. Step 5: Solve for x
   x = 38,536,369.15/8,100.92
6. Step 6: Final answer
   x = 4,757.04