Finding the Fourth Proportional to 3,981.54, 5,483.37 and 3,895.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.54 : 5,483.37 = 3,895.44 : x
2. Step 2: Convert to fraction form
   3,981.54/5,483.37 = 3,895.44/x
3. Step 3: Cross multiply
   3,981.54x = 5,483.37 × 3,895.44
4. Step 4: Simplify right side
   3,981.54x = 21,360,138.83
5. Step 5: Solve for x
   x = 21,360,138.83/3,981.54
6. Step 6: Final answer
   x = 5,364.79