Finding the Fourth Proportional to 4,723.56, 7,086.89 and 2,258.06

Step by Step Solution

1. Step 1: Write the proportion equation
   4,723.56 : 7,086.89 = 2,258.06 : x
2. Step 2: Convert to fraction form
   4,723.56/7,086.89 = 2,258.06/x
3. Step 3: Cross multiply
   4,723.56x = 7,086.89 × 2,258.06
4. Step 4: Simplify right side
   4,723.56x = 16,002,593.04
5. Step 5: Solve for x
   x = 16,002,593.04/4,723.56
6. Step 6: Final answer
   x = 3,387.82