Finding the Fourth Proportional to 6,446.11, 8,894.83 and 3,927.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,446.11 : 8,894.83 = 3,927.30 : x
2. Step 2: Convert to fraction form
   6,446.11/8,894.83 = 3,927.30/x
3. Step 3: Cross multiply
   6,446.11x = 8,894.83 × 3,927.30
4. Step 4: Simplify right side
   6,446.11x = 34,932,665.86
5. Step 5: Solve for x
   x = 34,932,665.86/6,446.11
6. Step 6: Final answer
   x = 5,419.19