Finding the Fourth Proportional to 2,589, 3,573.06 and 1,485

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589 : 3,573.06 = 1,485 : x
2. Step 2: Convert to fraction form
   2,589/3,573.06 = 1,485/x
3. Step 3: Cross multiply
   2,589x = 3,573.06 × 1,485
4. Step 4: Simplify right side
   2,589x = 5,305,994.10
5. Step 5: Solve for x
   x = 5,305,994.10/2,589
6. Step 6: Final answer
   x = 2,049.44