Finding the Fourth Proportional to 6,443.88, 8,892.38 and 3,791.45

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.88 : 8,892.38 = 3,791.45 : x
2. Step 2: Convert to fraction form
   6,443.88/8,892.38 = 3,791.45/x
3. Step 3: Cross multiply
   6,443.88x = 8,892.38 × 3,791.45
4. Step 4: Simplify right side
   6,443.88x = 33,714,950.73
5. Step 5: Solve for x
   x = 33,714,950.73/6,443.88
6. Step 6: Final answer
   x = 5,232.09