Finding the Fourth Proportional to 2,456.09, 3,684.28 and 1,222.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.09 : 3,684.28 = 1,222.26 : x
2. Step 2: Convert to fraction form
   2,456.09/3,684.28 = 1,222.26/x
3. Step 3: Cross multiply
   2,456.09x = 3,684.28 × 1,222.26
4. Step 4: Simplify right side
   2,456.09x = 4,503,148.07
5. Step 5: Solve for x
   x = 4,503,148.07/2,456.09
6. Step 6: Final answer
   x = 1,833.46