Finding the Fourth Proportional to 2,407.59, 3,609.23 and 846.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.59 : 3,609.23 = 846.65 : x
2. Step 2: Convert to fraction form
   2,407.59/3,609.23 = 846.65/x
3. Step 3: Cross multiply
   2,407.59x = 3,609.23 × 846.65
4. Step 4: Simplify right side
   2,407.59x = 3,055,759.37
5. Step 5: Solve for x
   x = 3,055,759.37/2,407.59
6. Step 6: Final answer
   x = 1,269.22