Finding the Fourth Proportional to 6,338.47, 8,747.83 and 3,821.87

Step by Step Solution

1. Step 1: Write the proportion equation
   6,338.47 : 8,747.83 = 3,821.87 : x
2. Step 2: Convert to fraction form
   6,338.47/8,747.83 = 3,821.87/x
3. Step 3: Cross multiply
   6,338.47x = 8,747.83 × 3,821.87
4. Step 4: Simplify right side
   6,338.47x = 33,433,069.04
5. Step 5: Solve for x
   x = 33,433,069.04/6,338.47
6. Step 6: Final answer
   x = 5,274.63