Finding the Fourth Proportional to 2,485.24, 3,426.78 and 2,268.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.24 : 3,426.78 = 2,268.28 : x
2. Step 2: Convert to fraction form
   2,485.24/3,426.78 = 2,268.28/x
3. Step 3: Cross multiply
   2,485.24x = 3,426.78 × 2,268.28
4. Step 4: Simplify right side
   2,485.24x = 7,772,896.54
5. Step 5: Solve for x
   x = 7,772,896.54/2,485.24
6. Step 6: Final answer
   x = 3,127.62