Finding the Fourth Proportional to 3,974.56, 5,484.91 and 2,206.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,974.56 : 5,484.91 = 2,206.17 : x
2. Step 2: Convert to fraction form
   3,974.56/5,484.91 = 2,206.17/x
3. Step 3: Cross multiply
   3,974.56x = 5,484.91 × 2,206.17
4. Step 4: Simplify right side
   3,974.56x = 12,100,632.86
5. Step 5: Solve for x
   x = 12,100,632.86/3,974.56
6. Step 6: Final answer
   x = 3,044.52