Finding the Fourth Proportional to 3,393.28, 5,085.38 and 1,443.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,393.28 : 5,085.38 = 1,443.04 : x
2. Step 2: Convert to fraction form
   3,393.28/5,085.38 = 1,443.04/x
3. Step 3: Cross multiply
   3,393.28x = 5,085.38 × 1,443.04
4. Step 4: Simplify right side
   3,393.28x = 7,338,406.76
5. Step 5: Solve for x
   x = 7,338,406.76/3,393.28
6. Step 6: Final answer
   x = 2,162.63