Finding the Fourth Proportional to 2,405.09, 3,607.23 and 846.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.09 : 3,607.23 = 846.25 : x
2. Step 2: Convert to fraction form
   2,405.09/3,607.23 = 846.25/x
3. Step 3: Cross multiply
   2,405.09x = 3,607.23 × 846.25
4. Step 4: Simplify right side
   2,405.09x = 3,052,612.54
5. Step 5: Solve for x
   x = 3,052,612.54/2,405.09
6. Step 6: Final answer
   x = 1,269.23