Finding the Fourth Proportional to 2,609.50, 3,601.12 and 1,430.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.50 : 3,601.12 = 1,430.58 : x
2. Step 2: Convert to fraction form
   2,609.50/3,601.12 = 1,430.58/x
3. Step 3: Cross multiply
   2,609.50x = 3,601.12 × 1,430.58
4. Step 4: Simplify right side
   2,609.50x = 5,151,690.25
5. Step 5: Solve for x
   x = 5,151,690.25/2,609.50
6. Step 6: Final answer
   x = 1,974.21