Finding the Fourth Proportional to 2,392.22, 3,583.46 and 1,218.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,392.22 : 3,583.46 = 1,218.78 : x
2. Step 2: Convert to fraction form
   2,392.22/3,583.46 = 1,218.78/x
3. Step 3: Cross multiply
   2,392.22x = 3,583.46 × 1,218.78
4. Step 4: Simplify right side
   2,392.22x = 4,367,452.43
5. Step 5: Solve for x
   x = 4,367,452.43/2,392.22
6. Step 6: Final answer
   x = 1,825.69