Finding the Fourth Proportional to 2,407.22, 3,609.23 and 868.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.22 : 3,609.23 = 868.02 : x
2. Step 2: Convert to fraction form
   2,407.22/3,609.23 = 868.02/x
3. Step 3: Cross multiply
   2,407.22x = 3,609.23 × 868.02
4. Step 4: Simplify right side
   2,407.22x = 3,132,883.82
5. Step 5: Solve for x
   x = 3,132,883.82/2,407.22
6. Step 6: Final answer
   x = 1,301.45