Finding the Fourth Proportional to 3,977.10, 5,488.83 and 2,406.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977.10 : 5,488.83 = 2,406.06 : x
2. Step 2: Convert to fraction form
   3,977.10/5,488.83 = 2,406.06/x
3. Step 3: Cross multiply
   3,977.10x = 5,488.83 × 2,406.06
4. Step 4: Simplify right side
   3,977.10x = 13,206,454.31
5. Step 5: Solve for x
   x = 13,206,454.31/3,977.10
6. Step 6: Final answer
   x = 3,320.62