Finding the Fourth Proportional to 2,544.02, 3,818.49 and 1,228.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.02 : 3,818.49 = 1,228.69 : x
2. Step 2: Convert to fraction form
   2,544.02/3,818.49 = 1,228.69/x
3. Step 3: Cross multiply
   2,544.02x = 3,818.49 × 1,228.69
4. Step 4: Simplify right side
   2,544.02x = 4,691,740.48
5. Step 5: Solve for x
   x = 4,691,740.48/2,544.02
6. Step 6: Final answer
   x = 1,844.22