Finding the Fourth Proportional to 1,443.49, 2,166.26 and 896.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.49 : 2,166.26 = 896.06 : x
2. Step 2: Convert to fraction form
   1,443.49/2,166.26 = 896.06/x
3. Step 3: Cross multiply
   1,443.49x = 2,166.26 × 896.06
4. Step 4: Simplify right side
   1,443.49x = 1,941,083.62
5. Step 5: Solve for x
   x = 1,941,083.62/1,443.49
6. Step 6: Final answer
   x = 1,344.72