Finding the Fourth Proportional to 2,603.10, 3,591.57 and 1,658.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.10 : 3,591.57 = 1,658.49 : x
2. Step 2: Convert to fraction form
   2,603.10/3,591.57 = 1,658.49/x
3. Step 3: Cross multiply
   2,603.10x = 3,591.57 × 1,658.49
4. Step 4: Simplify right side
   2,603.10x = 5,956,582.93
5. Step 5: Solve for x
   x = 5,956,582.93/2,603.10
6. Step 6: Final answer
   x = 2,288.27