Finding the Fourth Proportional to 2,560.43, 3,837.45 and 1,097.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.43 : 3,837.45 = 1,097.89 : x
2. Step 2: Convert to fraction form
   2,560.43/3,837.45 = 1,097.89/x
3. Step 3: Cross multiply
   2,560.43x = 3,837.45 × 1,097.89
4. Step 4: Simplify right side
   2,560.43x = 4,213,078.79
5. Step 5: Solve for x
   x = 4,213,078.79/2,560.43
6. Step 6: Final answer
   x = 1,645.46