Finding the Fourth Proportional to 2,449.79, 3,379.56 and 2,355.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,449.79 : 3,379.56 = 2,355.53 : x
2. Step 2: Convert to fraction form
   2,449.79/3,379.56 = 2,355.53/x
3. Step 3: Cross multiply
   2,449.79x = 3,379.56 × 2,355.53
4. Step 4: Simplify right side
   2,449.79x = 7,960,654.97
5. Step 5: Solve for x
   x = 7,960,654.97/2,449.79
6. Step 6: Final answer
   x = 3,249.53