Finding the Fourth Proportional to 2,397.78, 3,593.58 and 1,081.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.78 : 3,593.58 = 1,081.49 : x
2. Step 2: Convert to fraction form
   2,397.78/3,593.58 = 1,081.49/x
3. Step 3: Cross multiply
   2,397.78x = 3,593.58 × 1,081.49
4. Step 4: Simplify right side
   2,397.78x = 3,886,402.87
5. Step 5: Solve for x
   x = 3,886,402.87/2,397.78
6. Step 6: Final answer
   x = 1,620.83