Finding the Fourth Proportional to 2,609.30, 3,598.73 and 1,613.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.30 : 3,598.73 = 1,613.88 : x
2. Step 2: Convert to fraction form
   2,609.30/3,598.73 = 1,613.88/x
3. Step 3: Cross multiply
   2,609.30x = 3,598.73 × 1,613.88
4. Step 4: Simplify right side
   2,609.30x = 5,807,910.30
5. Step 5: Solve for x
   x = 5,807,910.30/2,609.30
6. Step 6: Final answer
   x = 2,225.85