Finding the Fourth Proportional to 8,092.38, 12,141.47 and 3,165.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,092.38 : 12,141.47 = 3,165.55 : x
2. Step 2: Convert to fraction form
   8,092.38/12,141.47 = 3,165.55/x
3. Step 3: Cross multiply
   8,092.38x = 12,141.47 × 3,165.55
4. Step 4: Simplify right side
   8,092.38x = 38,434,414.53
5. Step 5: Solve for x
   x = 38,434,414.53/8,092.38
6. Step 6: Final answer
   x = 4,749.46