Finding the Fourth Proportional to 1,659.38, 2,488.89 and 1,041.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.38 : 2,488.89 = 1,041.25 : x
2. Step 2: Convert to fraction form
   1,659.38/2,488.89 = 1,041.25/x
3. Step 3: Cross multiply
   1,659.38x = 2,488.89 × 1,041.25
4. Step 4: Simplify right side
   1,659.38x = 2,591,550.49
5. Step 5: Solve for x
   x = 2,591,550.49/1,659.38
6. Step 6: Final answer
   x = 1,561.76