Finding the Fourth Proportional to 6,443.56, 8,893.80 and 3,791.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.56 : 8,893.80 = 3,791.83 : x
2. Step 2: Convert to fraction form
   6,443.56/8,893.80 = 3,791.83/x
3. Step 3: Cross multiply
   6,443.56x = 8,893.80 × 3,791.83
4. Step 4: Simplify right side
   6,443.56x = 33,723,777.65
5. Step 5: Solve for x
   x = 33,723,777.65/6,443.56
6. Step 6: Final answer
   x = 5,233.72