Finding the Fourth Proportional to 2,606.40, 3,595.10 and 1,610.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.40 : 3,595.10 = 1,610.42 : x
2. Step 2: Convert to fraction form
   2,606.40/3,595.10 = 1,610.42/x
3. Step 3: Cross multiply
   2,606.40x = 3,595.10 × 1,610.42
4. Step 4: Simplify right side
   2,606.40x = 5,789,594.91
5. Step 5: Solve for x
   x = 5,789,594.91/2,606.40
6. Step 6: Final answer
   x = 2,221.30