Finding the Fourth Proportional to 3,977.02, 5,488.46 and 2,208.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977.02 : 5,488.46 = 2,208.79 : x
2. Step 2: Convert to fraction form
   3,977.02/5,488.46 = 2,208.79/x
3. Step 3: Cross multiply
   3,977.02x = 5,488.46 × 2,208.79
4. Step 4: Simplify right side
   3,977.02x = 12,122,855.56
5. Step 5: Solve for x
   x = 12,122,855.56/3,977.02
6. Step 6: Final answer
   x = 3,048.23