Finding the Fourth Proportional to 6,724.34, 10,086.42 and 4,092.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,724.34 : 10,086.42 = 4,092.56 : x
2. Step 2: Convert to fraction form
   6,724.34/10,086.42 = 4,092.56/x
3. Step 3: Cross multiply
   6,724.34x = 10,086.42 × 4,092.56
4. Step 4: Simplify right side
   6,724.34x = 41,279,279.04
5. Step 5: Solve for x
   x = 41,279,279.04/6,724.34
6. Step 6: Final answer
   x = 6,138.79