Finding the Fourth Proportional to 3,974.80, 5,484.86 and 2,205.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,974.80 : 5,484.86 = 2,205.94 : x
2. Step 2: Convert to fraction form
   3,974.80/5,484.86 = 2,205.94/x
3. Step 3: Cross multiply
   3,974.80x = 5,484.86 × 2,205.94
4. Step 4: Simplify right side
   3,974.80x = 12,099,272.07
5. Step 5: Solve for x
   x = 12,099,272.07/3,974.80
6. Step 6: Final answer
   x = 3,044.00