Finding the Fourth Proportional to 2,609.57, 3,600.48 and 1,490.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.57 : 3,600.48 = 1,490.10 : x
2. Step 2: Convert to fraction form
   2,609.57/3,600.48 = 1,490.10/x
3. Step 3: Cross multiply
   2,609.57x = 3,600.48 × 1,490.10
4. Step 4: Simplify right side
   2,609.57x = 5,365,075.25
5. Step 5: Solve for x
   x = 5,365,075.25/2,609.57
6. Step 6: Final answer
   x = 2,055.93