Finding the Fourth Proportional to 3,902.68, 5,856 and 2,260.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,902.68 : 5,856 = 2,260.72 : x
2. Step 2: Convert to fraction form
   3,902.68/5,856 = 2,260.72/x
3. Step 3: Cross multiply
   3,902.68x = 5,856 × 2,260.72
4. Step 4: Simplify right side
   3,902.68x = 13,238,776.32
5. Step 5: Solve for x
   x = 13,238,776.32/3,902.68
6. Step 6: Final answer
   x = 3,392.23