Finding the Fourth Proportional to 2,554.20, 3,833.39 and 1,321.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.20 : 3,833.39 = 1,321.98 : x
2. Step 2: Convert to fraction form
   2,554.20/3,833.39 = 1,321.98/x
3. Step 3: Cross multiply
   2,554.20x = 3,833.39 × 1,321.98
4. Step 4: Simplify right side
   2,554.20x = 5,067,658.30
5. Step 5: Solve for x
   x = 5,067,658.30/2,554.20
6. Step 6: Final answer
   x = 1,984.05