Finding the Fourth Proportional to 2,597.78, 3,583.77 and 1,603.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,597.78 : 3,583.77 = 1,603.10 : x
2. Step 2: Convert to fraction form
   2,597.78/3,583.77 = 1,603.10/x
3. Step 3: Cross multiply
   2,597.78x = 3,583.77 × 1,603.10
4. Step 4: Simplify right side
   2,597.78x = 5,745,141.69
5. Step 5: Solve for x
   x = 5,745,141.69/2,597.78
6. Step 6: Final answer
   x = 2,211.56