Finding the Fourth Proportional to 2,603.90, 3,593.37 and 1,424.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.90 : 3,593.37 = 1,424.99 : x
2. Step 2: Convert to fraction form
   2,603.90/3,593.37 = 1,424.99/x
3. Step 3: Cross multiply
   2,603.90x = 3,593.37 × 1,424.99
4. Step 4: Simplify right side
   2,603.90x = 5,120,498.35
5. Step 5: Solve for x
   x = 5,120,498.35/2,603.90
6. Step 6: Final answer
   x = 1,966.48