Finding the Fourth Proportional to 3,882.42, 5,822.37 and 1,284.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,882.42 : 5,822.37 = 1,284.75 : x
2. Step 2: Convert to fraction form
   3,882.42/5,822.37 = 1,284.75/x
3. Step 3: Cross multiply
   3,882.42x = 5,822.37 × 1,284.75
4. Step 4: Simplify right side
   3,882.42x = 7,480,289.86
5. Step 5: Solve for x
   x = 7,480,289.86/3,882.42
6. Step 6: Final answer
   x = 1,926.71