Finding the Fourth Proportional to 6,412.27, 8,846.49 and 3,893.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,412.27 : 8,846.49 = 3,893.42 : x
2. Step 2: Convert to fraction form
   6,412.27/8,846.49 = 3,893.42/x
3. Step 3: Cross multiply
   6,412.27x = 8,846.49 × 3,893.42
4. Step 4: Simplify right side
   6,412.27x = 34,443,137.81
5. Step 5: Solve for x
   x = 34,443,137.81/6,412.27
6. Step 6: Final answer
   x = 5,371.44