Finding the Fourth Proportional to 2,407.47, 3,609.61 and 868.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.47 : 3,609.61 = 868.27 : x
2. Step 2: Convert to fraction form
   2,407.47/3,609.61 = 868.27/x
3. Step 3: Cross multiply
   2,407.47x = 3,609.61 × 868.27
4. Step 4: Simplify right side
   2,407.47x = 3,134,111.73
5. Step 5: Solve for x
   x = 3,134,111.73/2,407.47
6. Step 6: Final answer
   x = 1,301.83