Finding the Fourth Proportional to 2,609.82, 3,601.55 and 1,430.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.82 : 3,601.55 = 1,430.97 : x
2. Step 2: Convert to fraction form
   2,609.82/3,601.55 = 1,430.97/x
3. Step 3: Cross multiply
   2,609.82x = 3,601.55 × 1,430.97
4. Step 4: Simplify right side
   2,609.82x = 5,153,694.71
5. Step 5: Solve for x
   x = 5,153,694.71/2,609.82
6. Step 6: Final answer
   x = 1,974.73