Finding the Fourth Proportional to 2,406.63, 3,608.60 and 846.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.63 : 3,608.60 = 846.20 : x
2. Step 2: Convert to fraction form
   2,406.63/3,608.60 = 846.20/x
3. Step 3: Cross multiply
   2,406.63x = 3,608.60 × 846.20
4. Step 4: Simplify right side
   2,406.63x = 3,053,593.09
5. Step 5: Solve for x
   x = 3,053,593.09/2,406.63
6. Step 6: Final answer
   x = 1,268.83