Finding the Fourth Proportional to 3,851.39, 5,746.84 and 3,616.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,851.39 : 5,746.84 = 3,616.28 : x
2. Step 2: Convert to fraction form
   3,851.39/5,746.84 = 3,616.28/x
3. Step 3: Cross multiply
   3,851.39x = 5,746.84 × 3,616.28
4. Step 4: Simplify right side
   3,851.39x = 20,782,182.56
5. Step 5: Solve for x
   x = 20,782,182.56/3,851.39
6. Step 6: Final answer
   x = 5,396.02