Finding the Fourth Proportional to 6,441.77, 8,889.45 and 3,789.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,441.77 : 8,889.45 = 3,789.33 : x
2. Step 2: Convert to fraction form
   6,441.77/8,889.45 = 3,789.33/x
3. Step 3: Cross multiply
   6,441.77x = 8,889.45 × 3,789.33
4. Step 4: Simplify right side
   6,441.77x = 33,685,059.57
5. Step 5: Solve for x
   x = 33,685,059.57/6,441.77
6. Step 6: Final answer
   x = 5,229.17