Finding the Fourth Proportional to 2,651.80, 3,658.33 and 1,603.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.80 : 3,658.33 = 1,603.25 : x
2. Step 2: Convert to fraction form
   2,651.80/3,658.33 = 1,603.25/x
3. Step 3: Cross multiply
   2,651.80x = 3,658.33 × 1,603.25
4. Step 4: Simplify right side
   2,651.80x = 5,865,217.57
5. Step 5: Solve for x
   x = 5,865,217.57/2,651.80
6. Step 6: Final answer
   x = 2,211.79