Finding the Fourth Proportional to 3,882.28, 5,822.34 and 1,284.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,882.28 : 5,822.34 = 1,284.88 : x
2. Step 2: Convert to fraction form
   3,882.28/5,822.34 = 1,284.88/x
3. Step 3: Cross multiply
   3,882.28x = 5,822.34 × 1,284.88
4. Step 4: Simplify right side
   3,882.28x = 7,481,008.22
5. Step 5: Solve for x
   x = 7,481,008.22/3,882.28
6. Step 6: Final answer
   x = 1,926.96