Finding the Fourth Proportional to 3,974.18, 5,484.39 and 2,205.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,974.18 : 5,484.39 = 2,205.82 : x
2. Step 2: Convert to fraction form
   3,974.18/5,484.39 = 2,205.82/x
3. Step 3: Cross multiply
   3,974.18x = 5,484.39 × 2,205.82
4. Step 4: Simplify right side
   3,974.18x = 12,097,577.15
5. Step 5: Solve for x
   x = 12,097,577.15/3,974.18
6. Step 6: Final answer
   x = 3,044.04