Finding the Fourth Proportional to 6,380.82, 8,806.86 and 3,863.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,380.82 : 8,806.86 = 3,863.34 : x
2. Step 2: Convert to fraction form
   6,380.82/8,806.86 = 3,863.34/x
3. Step 3: Cross multiply
   6,380.82x = 8,806.86 × 3,863.34
4. Step 4: Simplify right side
   6,380.82x = 34,023,894.51
5. Step 5: Solve for x
   x = 34,023,894.51/6,380.82
6. Step 6: Final answer
   x = 5,332.21