Finding the Fourth Proportional to 2,603.81, 3,593.30 and 1,424.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.81 : 3,593.30 = 1,424.86 : x
2. Step 2: Convert to fraction form
   2,603.81/3,593.30 = 1,424.86/x
3. Step 3: Cross multiply
   2,603.81x = 3,593.30 × 1,424.86
4. Step 4: Simplify right side
   2,603.81x = 5,119,933.33
5. Step 5: Solve for x
   x = 5,119,933.33/2,603.81
6. Step 6: Final answer
   x = 1,966.32