Finding the Fourth Proportional to 2,609.35, 3,600.88 and 1,430.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.35 : 3,600.88 = 1,430.42 : x
2. Step 2: Convert to fraction form
   2,609.35/3,600.88 = 1,430.42/x
3. Step 3: Cross multiply
   2,609.35x = 3,600.88 × 1,430.42
4. Step 4: Simplify right side
   2,609.35x = 5,150,753.69
5. Step 5: Solve for x
   x = 5,150,753.69/2,609.35
6. Step 6: Final answer
   x = 1,973.96