Finding the Fourth Proportional to 2,609.27, 3,600.79 and 1,430.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.27 : 3,600.79 = 1,430.36 : x
2. Step 2: Convert to fraction form
   2,609.27/3,600.79 = 1,430.36/x
3. Step 3: Cross multiply
   2,609.27x = 3,600.79 × 1,430.36
4. Step 4: Simplify right side
   2,609.27x = 5,150,404.40
5. Step 5: Solve for x
   x = 5,150,404.40/2,609.27
6. Step 6: Final answer
   x = 1,973.89