Finding the Fourth Proportional to 2,603.98, 3,593.58 and 1,425.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.98 : 3,593.58 = 1,425.16 : x
2. Step 2: Convert to fraction form
   2,603.98/3,593.58 = 1,425.16/x
3. Step 3: Cross multiply
   2,603.98x = 3,593.58 × 1,425.16
4. Step 4: Simplify right side
   2,603.98x = 5,121,401.38
5. Step 5: Solve for x
   x = 5,121,401.38/2,603.98
6. Step 6: Final answer
   x = 1,966.76