Finding the Fourth Proportional to 1,443.18, 2,166.81 and 896.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.18 : 2,166.81 = 896.04 : x
2. Step 2: Convert to fraction form
   1,443.18/2,166.81 = 896.04/x
3. Step 3: Cross multiply
   1,443.18x = 2,166.81 × 896.04
4. Step 4: Simplify right side
   1,443.18x = 1,941,548.43
5. Step 5: Solve for x
   x = 1,941,548.43/1,443.18
6. Step 6: Final answer
   x = 1,345.33