Finding the Fourth Proportional to 3,856.89, 5,317.32 and 3,014.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856.89 : 5,317.32 = 3,014.28 : x
2. Step 2: Convert to fraction form
   3,856.89/5,317.32 = 3,014.28/x
3. Step 3: Cross multiply
   3,856.89x = 5,317.32 × 3,014.28
4. Step 4: Simplify right side
   3,856.89x = 16,027,891.33
5. Step 5: Solve for x
   x = 16,027,891.33/3,856.89
6. Step 6: Final answer
   x = 4,155.65