Finding the Fourth Proportional to 6,412.14, 8,846.32 and 3,893.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,412.14 : 8,846.32 = 3,893.30 : x
2. Step 2: Convert to fraction form
   6,412.14/8,846.32 = 3,893.30/x
3. Step 3: Cross multiply
   6,412.14x = 8,846.32 × 3,893.30
4. Step 4: Simplify right side
   6,412.14x = 34,441,333.42
5. Step 5: Solve for x
   x = 34,441,333.42/6,412.14
6. Step 6: Final answer
   x = 5,371.27