Finding the Fourth Proportional to 2,609.27, 3,904.08 and 1,830.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.27 : 3,904.08 = 1,830.79 : x
2. Step 2: Convert to fraction form
   2,609.27/3,904.08 = 1,830.79/x
3. Step 3: Cross multiply
   2,609.27x = 3,904.08 × 1,830.79
4. Step 4: Simplify right side
   2,609.27x = 7,147,540.86
5. Step 5: Solve for x
   x = 7,147,540.86/2,609.27
6. Step 6: Final answer
   x = 2,739.29