Finding the Fourth Proportional to 3,357.05, 5,039.21 and 2,544.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,357.05 : 5,039.21 = 2,544.21 : x
2. Step 2: Convert to fraction form
   3,357.05/5,039.21 = 2,544.21/x
3. Step 3: Cross multiply
   3,357.05x = 5,039.21 × 2,544.21
4. Step 4: Simplify right side
   3,357.05x = 12,820,814.83
5. Step 5: Solve for x
   x = 12,820,814.83/3,357.05
6. Step 6: Final answer
   x = 3,819.08