Finding the Fourth Proportional to 2,609.34, 3,600.90 and 1,430.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.34 : 3,600.90 = 1,430.43 : x
2. Step 2: Convert to fraction form
   2,609.34/3,600.90 = 1,430.43/x
3. Step 3: Cross multiply
   2,609.34x = 3,600.90 × 1,430.43
4. Step 4: Simplify right side
   2,609.34x = 5,150,835.39
5. Step 5: Solve for x
   x = 5,150,835.39/2,609.34
6. Step 6: Final answer
   x = 1,974.00