Finding the Fourth Proportional to 2,549.49, 3,517.23 and 1,603.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.49 : 3,517.23 = 1,603.61 : x
2. Step 2: Convert to fraction form
   2,549.49/3,517.23 = 1,603.61/x
3. Step 3: Cross multiply
   2,549.49x = 3,517.23 × 1,603.61
4. Step 4: Simplify right side
   2,549.49x = 5,640,247.61
5. Step 5: Solve for x
   x = 5,640,247.61/2,549.49
6. Step 6: Final answer
   x = 2,212.30