Finding the Fourth Proportional to 6,222.96, 8,591.67 and 3,868.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,222.96 : 8,591.67 = 3,868.29 : x
2. Step 2: Convert to fraction form
   6,222.96/8,591.67 = 3,868.29/x
3. Step 3: Cross multiply
   6,222.96x = 8,591.67 × 3,868.29
4. Step 4: Simplify right side
   6,222.96x = 33,235,071.14
5. Step 5: Solve for x
   x = 33,235,071.14/6,222.96
6. Step 6: Final answer
   x = 5,340.72