Finding the Fourth Proportional to 2,439.15, 3,660.06 and 1,606.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,439.15 : 3,660.06 = 1,606.20 : x
2. Step 2: Convert to fraction form
   2,439.15/3,660.06 = 1,606.20/x
3. Step 3: Cross multiply
   2,439.15x = 3,660.06 × 1,606.20
4. Step 4: Simplify right side
   2,439.15x = 5,878,788.37
5. Step 5: Solve for x
   x = 5,878,788.37/2,439.15
6. Step 6: Final answer
   x = 2,410.18