Finding the Fourth Proportional to 2,609.36, 3,600.72 and 1,430.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.36 : 3,600.72 = 1,430.52 : x
2. Step 2: Convert to fraction form
   2,609.36/3,600.72 = 1,430.52/x
3. Step 3: Cross multiply
   2,609.36x = 3,600.72 × 1,430.52
4. Step 4: Simplify right side
   2,609.36x = 5,150,901.97
5. Step 5: Solve for x
   x = 5,150,901.97/2,609.36
6. Step 6: Final answer
   x = 1,974.01