Finding the Fourth Proportional to 3,964.57, 5,470.59 and 2,286.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,964.57 : 5,470.59 = 2,286.04 : x
2. Step 2: Convert to fraction form
   3,964.57/5,470.59 = 2,286.04/x
3. Step 3: Cross multiply
   3,964.57x = 5,470.59 × 2,286.04
4. Step 4: Simplify right side
   3,964.57x = 12,505,987.56
5. Step 5: Solve for x
   x = 12,505,987.56/3,964.57
6. Step 6: Final answer
   x = 3,154.44