Finding the Fourth Proportional to 2,603.59, 3,592.78 and 1,424.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.59 : 3,592.78 = 1,424.42 : x
2. Step 2: Convert to fraction form
   2,603.59/3,592.78 = 1,424.42/x
3. Step 3: Cross multiply
   2,603.59x = 3,592.78 × 1,424.42
4. Step 4: Simplify right side
   2,603.59x = 5,117,627.69
5. Step 5: Solve for x
   x = 5,117,627.69/2,603.59
6. Step 6: Final answer
   x = 1,965.60