Finding the Fourth Proportional to 2,603.57, 3,592.92 and 1,424.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.57 : 3,592.92 = 1,424.63 : x
2. Step 2: Convert to fraction form
   2,603.57/3,592.92 = 1,424.63/x
3. Step 3: Cross multiply
   2,603.57x = 3,592.92 × 1,424.63
4. Step 4: Simplify right side
   2,603.57x = 5,118,581.62
5. Step 5: Solve for x
   x = 5,118,581.62/2,603.57
6. Step 6: Final answer
   x = 1,965.99