Finding the Fourth Proportional to 2,609.71, 3,601.46 and 1,430.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.71 : 3,601.46 = 1,430.80 : x
2. Step 2: Convert to fraction form
   2,609.71/3,601.46 = 1,430.80/x
3. Step 3: Cross multiply
   2,609.71x = 3,601.46 × 1,430.80
4. Step 4: Simplify right side
   2,609.71x = 5,152,963.54
5. Step 5: Solve for x
   x = 5,152,963.54/2,609.71
6. Step 6: Final answer
   x = 1,974.54