Finding the Fourth Proportional to 3,941.56, 5,436.66 and 2,449.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,941.56 : 5,436.66 = 2,449.72 : x
2. Step 2: Convert to fraction form
   3,941.56/5,436.66 = 2,449.72/x
3. Step 3: Cross multiply
   3,941.56x = 5,436.66 × 2,449.72
4. Step 4: Simplify right side
   3,941.56x = 13,318,294.74
5. Step 5: Solve for x
   x = 13,318,294.74/3,941.56
6. Step 6: Final answer
   x = 3,378.94