Finding the Fourth Proportional to 2,609.18, 3,600.73 and 1,430.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.18 : 3,600.73 = 1,430.32 : x
2. Step 2: Convert to fraction form
   2,609.18/3,600.73 = 1,430.32/x
3. Step 3: Cross multiply
   2,609.18x = 3,600.73 × 1,430.32
4. Step 4: Simplify right side
   2,609.18x = 5,150,178.13
5. Step 5: Solve for x
   x = 5,150,178.13/2,609.18
6. Step 6: Final answer
   x = 1,973.87