Finding the Fourth Proportional to 3,981.54, 5,491.98 and 2,567.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.54 : 5,491.98 = 2,567.04 : x
2. Step 2: Convert to fraction form
   3,981.54/5,491.98 = 2,567.04/x
3. Step 3: Cross multiply
   3,981.54x = 5,491.98 × 2,567.04
4. Step 4: Simplify right side
   3,981.54x = 14,098,132.34
5. Step 5: Solve for x
   x = 14,098,132.34/3,981.54
6. Step 6: Final answer
   x = 3,540.87