Finding the Fourth Proportional to 2,609.10, 3,600.18 and 1,489.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.10 : 3,600.18 = 1,489.86 : x
2. Step 2: Convert to fraction form
   2,609.10/3,600.18 = 1,489.86/x
3. Step 3: Cross multiply
   2,609.10x = 3,600.18 × 1,489.86
4. Step 4: Simplify right side
   2,609.10x = 5,363,764.17
5. Step 5: Solve for x
   x = 5,363,764.17/2,609.10
6. Step 6: Final answer
   x = 2,055.79