Finding the Fourth Proportional to 6,380.06, 8,806.32 and 3,862.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,380.06 : 8,806.32 = 3,862.18 : x
2. Step 2: Convert to fraction form
   6,380.06/8,806.32 = 3,862.18/x
3. Step 3: Cross multiply
   6,380.06x = 8,806.32 × 3,862.18
4. Step 4: Simplify right side
   6,380.06x = 34,011,592.98
5. Step 5: Solve for x
   x = 34,011,592.98/6,380.06
6. Step 6: Final answer
   x = 5,330.92