Finding the Fourth Proportional to 7,086.42, 10,629.39 and 3,805.92

Step by Step Solution

1. Step 1: Write the proportion equation
   7,086.42 : 10,629.39 = 3,805.92 : x
2. Step 2: Convert to fraction form
   7,086.42/10,629.39 = 3,805.92/x
3. Step 3: Cross multiply
   7,086.42x = 10,629.39 × 3,805.92
4. Step 4: Simplify right side
   7,086.42x = 40,454,581.42
5. Step 5: Solve for x
   x = 40,454,581.42/7,086.42
6. Step 6: Final answer
   x = 5,708.75