Finding the Fourth Proportional to 3,960.05, 5,459.90 and 2,541.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,960.05 : 5,459.90 = 2,541.23 : x
2. Step 2: Convert to fraction form
   3,960.05/5,459.90 = 2,541.23/x
3. Step 3: Cross multiply
   3,960.05x = 5,459.90 × 2,541.23
4. Step 4: Simplify right side
   3,960.05x = 13,874,821.67
5. Step 5: Solve for x
   x = 13,874,821.67/3,960.05
6. Step 6: Final answer
   x = 3,503.70