Finding the Fourth Proportional to 3,977.83, 5,488.99 and 2,209.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977.83 : 5,488.99 = 2,209.24 : x
2. Step 2: Convert to fraction form
   3,977.83/5,488.99 = 2,209.24/x
3. Step 3: Cross multiply
   3,977.83x = 5,488.99 × 2,209.24
4. Step 4: Simplify right side
   3,977.83x = 12,126,496.27
5. Step 5: Solve for x
   x = 12,126,496.27/3,977.83
6. Step 6: Final answer
   x = 3,048.52