Finding the Fourth Proportional to 1,443.82, 2,155.29 and 1,268.66

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.82 : 2,155.29 = 1,268.66 : x
2. Step 2: Convert to fraction form
   1,443.82/2,155.29 = 1,268.66/x
3. Step 3: Cross multiply
   1,443.82x = 2,155.29 × 1,268.66
4. Step 4: Simplify right side
   1,443.82x = 2,734,337.26
5. Step 5: Solve for x
   x = 2,734,337.26/1,443.82
6. Step 6: Final answer
   x = 1,893.82