Finding the Fourth Proportional to 3,981.07, 5,504.79 and 3,359.26

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.07 : 5,504.79 = 3,359.26 : x
2. Step 2: Convert to fraction form
   3,981.07/5,504.79 = 3,359.26/x
3. Step 3: Cross multiply
   3,981.07x = 5,504.79 × 3,359.26
4. Step 4: Simplify right side
   3,981.07x = 18,492,020.86
5. Step 5: Solve for x
   x = 18,492,020.86/3,981.07
6. Step 6: Final answer
   x = 4,644.99