Finding the Fourth Proportional to 3,892.08, 5,372.28 and 2,494.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892.08 : 5,372.28 = 2,494.56 : x
2. Step 2: Convert to fraction form
   3,892.08/5,372.28 = 2,494.56/x
3. Step 3: Cross multiply
   3,892.08x = 5,372.28 × 2,494.56
4. Step 4: Simplify right side
   3,892.08x = 13,401,474.80
5. Step 5: Solve for x
   x = 13,401,474.80/3,892.08
6. Step 6: Final answer
   x = 3,443.27