Finding the Fourth Proportional to 2,406.06, 3,609.60 and 846.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.06 : 3,609.60 = 846.30 : x
2. Step 2: Convert to fraction form
   2,406.06/3,609.60 = 846.30/x
3. Step 3: Cross multiply
   2,406.06x = 3,609.60 × 846.30
4. Step 4: Simplify right side
   2,406.06x = 3,054,804.48
5. Step 5: Solve for x
   x = 3,054,804.48/2,406.06
6. Step 6: Final answer
   x = 1,269.63