Finding the Fourth Proportional to 1,788.36, 2,682.60 and 1,443.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.36 : 2,682.60 = 1,443.72 : x
2. Step 2: Convert to fraction form
   1,788.36/2,682.60 = 1,443.72/x
3. Step 3: Cross multiply
   1,788.36x = 2,682.60 × 1,443.72
4. Step 4: Simplify right side
   1,788.36x = 3,872,923.27
5. Step 5: Solve for x
   x = 3,872,923.27/1,788.36
6. Step 6: Final answer
   x = 2,165.63