Finding the Fourth Proportional to 2,603.33, 3,592.59 and 1,424.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.33 : 3,592.59 = 1,424.40 : x
2. Step 2: Convert to fraction form
   2,603.33/3,592.59 = 1,424.40/x
3. Step 3: Cross multiply
   2,603.33x = 3,592.59 × 1,424.40
4. Step 4: Simplify right side
   2,603.33x = 5,117,294.60
5. Step 5: Solve for x
   x = 5,117,294.60/2,603.33
6. Step 6: Final answer
   x = 1,965.67