Finding the Fourth Proportional to 3,858.72, 5,789.04 and 2,710.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,858.72 : 5,789.04 = 2,710.56 : x
2. Step 2: Convert to fraction form
   3,858.72/5,789.04 = 2,710.56/x
3. Step 3: Cross multiply
   3,858.72x = 5,789.04 × 2,710.56
4. Step 4: Simplify right side
   3,858.72x = 15,691,540.26
5. Step 5: Solve for x
   x = 15,691,540.26/3,858.72
6. Step 6: Final answer
   x = 4,066.51