Finding the Fourth Proportional to 3,882.89, 5,825.25 and 1,285.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,882.89 : 5,825.25 = 1,285.83 : x
2. Step 2: Convert to fraction form
   3,882.89/5,825.25 = 1,285.83/x
3. Step 3: Cross multiply
   3,882.89x = 5,825.25 × 1,285.83
4. Step 4: Simplify right side
   3,882.89x = 7,490,281.21
5. Step 5: Solve for x
   x = 7,490,281.21/3,882.89
6. Step 6: Final answer
   x = 1,929.05