Finding the Fourth Proportional to 3,974.72, 5,485.04 and 2,206.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,974.72 : 5,485.04 = 2,206.32 : x
2. Step 2: Convert to fraction form
   3,974.72/5,485.04 = 2,206.32/x
3. Step 3: Cross multiply
   3,974.72x = 5,485.04 × 2,206.32
4. Step 4: Simplify right side
   3,974.72x = 12,101,753.45
5. Step 5: Solve for x
   x = 12,101,753.45/3,974.72
6. Step 6: Final answer
   x = 3,044.68