Finding the Fourth Proportional to 2,609.64, 3,601.26 and 1,430.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.64 : 3,601.26 = 1,430.82 : x
2. Step 2: Convert to fraction form
   2,609.64/3,601.26 = 1,430.82/x
3. Step 3: Cross multiply
   2,609.64x = 3,601.26 × 1,430.82
4. Step 4: Simplify right side
   2,609.64x = 5,152,754.83
5. Step 5: Solve for x
   x = 5,152,754.83/2,609.64
6. Step 6: Final answer
   x = 1,974.51