Finding the Fourth Proportional to 8,215.83, 12,327.84 and 3,836.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,215.83 : 12,327.84 = 3,836.43 : x
2. Step 2: Convert to fraction form
   8,215.83/12,327.84 = 3,836.43/x
3. Step 3: Cross multiply
   8,215.83x = 12,327.84 × 3,836.43
4. Step 4: Simplify right side
   8,215.83x = 47,294,895.21
5. Step 5: Solve for x
   x = 47,294,895.21/8,215.83
6. Step 6: Final answer
   x = 5,756.56