Finding the Fourth Proportional to 2,603.55, 3,907.41 and 1,371.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.55 : 3,907.41 = 1,371.69 : x
2. Step 2: Convert to fraction form
   2,603.55/3,907.41 = 1,371.69/x
3. Step 3: Cross multiply
   2,603.55x = 3,907.41 × 1,371.69
4. Step 4: Simplify right side
   2,603.55x = 5,359,755.22
5. Step 5: Solve for x
   x = 5,359,755.22/2,603.55
6. Step 6: Final answer
   x = 2,058.63