Finding the Fourth Proportional to 2,603.09, 3,592.25 and 1,424.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.09 : 3,592.25 = 1,424.15 : x
2. Step 2: Convert to fraction form
   2,603.09/3,592.25 = 1,424.15/x
3. Step 3: Cross multiply
   2,603.09x = 3,592.25 × 1,424.15
4. Step 4: Simplify right side
   2,603.09x = 5,115,877.76
5. Step 5: Solve for x
   x = 5,115,877.76/2,603.09
6. Step 6: Final answer
   x = 1,965.31