Finding the Fourth Proportional to 1,443.42, 2,161.03 and 1,076.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.42 : 2,161.03 = 1,076.41 : x
2. Step 2: Convert to fraction form
   1,443.42/2,161.03 = 1,076.41/x
3. Step 3: Cross multiply
   1,443.42x = 2,161.03 × 1,076.41
4. Step 4: Simplify right side
   1,443.42x = 2,326,162.41
5. Step 5: Solve for x
   x = 2,326,162.41/1,443.42
6. Step 6: Final answer
   x = 1,611.56