Finding the Fourth Proportional to 2,618.43, 3,610.07 and 2,144.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.43 : 3,610.07 = 2,144.58 : x
2. Step 2: Convert to fraction form
   2,618.43/3,610.07 = 2,144.58/x
3. Step 3: Cross multiply
   2,618.43x = 3,610.07 × 2,144.58
4. Step 4: Simplify right side
   2,618.43x = 7,742,073.20
5. Step 5: Solve for x
   x = 7,742,073.20/2,618.43
6. Step 6: Final answer
   x = 2,956.76