Finding the Fourth Proportional to 2,398.59, 3,594.78 and 1,097.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.59 : 3,594.78 = 1,097.19 : x
2. Step 2: Convert to fraction form
   2,398.59/3,594.78 = 1,097.19/x
3. Step 3: Cross multiply
   2,398.59x = 3,594.78 × 1,097.19
4. Step 4: Simplify right side
   2,398.59x = 3,944,156.67
5. Step 5: Solve for x
   x = 3,944,156.67/2,398.59
6. Step 6: Final answer
   x = 1,644.36