Finding the Fourth Proportional to 5,256.28, 7,867.41 and 3,869.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,256.28 : 7,867.41 = 3,869.32 : x
2. Step 2: Convert to fraction form
   5,256.28/7,867.41 = 3,869.32/x
3. Step 3: Cross multiply
   5,256.28x = 7,867.41 × 3,869.32
4. Step 4: Simplify right side
   5,256.28x = 30,441,526.86
5. Step 5: Solve for x
   x = 30,441,526.86/5,256.28
6. Step 6: Final answer
   x = 5,791.46