Finding the Fourth Proportional to 1,866.74, 2,574.63 and 1,448.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,866.74 : 2,574.63 = 1,448.37 : x
2. Step 2: Convert to fraction form
   1,866.74/2,574.63 = 1,448.37/x
3. Step 3: Cross multiply
   1,866.74x = 2,574.63 × 1,448.37
4. Step 4: Simplify right side
   1,866.74x = 3,729,016.85
5. Step 5: Solve for x
   x = 3,729,016.85/1,866.74
6. Step 6: Final answer
   x = 1,997.61