Finding the Fourth Proportional to 6,868.41, 9,478.59 and 3,884.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,868.41 : 9,478.59 = 3,884.69 : x
2. Step 2: Convert to fraction form
   6,868.41/9,478.59 = 3,884.69/x
3. Step 3: Cross multiply
   6,868.41x = 9,478.59 × 3,884.69
4. Step 4: Simplify right side
   6,868.41x = 36,821,383.79
5. Step 5: Solve for x
   x = 36,821,383.79/6,868.41
6. Step 6: Final answer
   x = 5,360.98