Finding the Fourth Proportional to 1,443.42, 2,165.98 and 1,119.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.42 : 2,165.98 = 1,119.42 : x
2. Step 2: Convert to fraction form
   1,443.42/2,165.98 = 1,119.42/x
3. Step 3: Cross multiply
   1,443.42x = 2,165.98 × 1,119.42
4. Step 4: Simplify right side
   1,443.42x = 2,424,641.33
5. Step 5: Solve for x
   x = 2,424,641.33/1,443.42
6. Step 6: Final answer
   x = 1,679.79