Finding the Fourth Proportional to 3,582.25, 5,371.89 and 1,389.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,582.25 : 5,371.89 = 1,389.73 : x
2. Step 2: Convert to fraction form
   3,582.25/5,371.89 = 1,389.73/x
3. Step 3: Cross multiply
   3,582.25x = 5,371.89 × 1,389.73
4. Step 4: Simplify right side
   3,582.25x = 7,465,476.69
5. Step 5: Solve for x
   x = 7,465,476.69/3,582.25
6. Step 6: Final answer
   x = 2,084.02