Finding the Fourth Proportional to 3,974.00, 5,484.31 and 2,205.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,974.00 : 5,484.31 = 2,205.56 : x
2. Step 2: Convert to fraction form
   3,974.00/5,484.31 = 2,205.56/x
3. Step 3: Cross multiply
   3,974.00x = 5,484.31 × 2,205.56
4. Step 4: Simplify right side
   3,974.00x = 12,095,982.96
5. Step 5: Solve for x
   x = 12,095,982.96/3,974.00
6. Step 6: Final answer
   x = 3,043.78