Finding the Fourth Proportional to 2,609.26, 3,600.80 and 1,430.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.26 : 3,600.80 = 1,430.34 : x
2. Step 2: Convert to fraction form
   2,609.26/3,600.80 = 1,430.34/x
3. Step 3: Cross multiply
   2,609.26x = 3,600.80 × 1,430.34
4. Step 4: Simplify right side
   2,609.26x = 5,150,368.27
5. Step 5: Solve for x
   x = 5,150,368.27/2,609.26
6. Step 6: Final answer
   x = 1,973.88