Finding the Fourth Proportional to 8,215.29, 12,321.72 and 3,832.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,215.29 : 12,321.72 = 3,832.38 : x
2. Step 2: Convert to fraction form
   8,215.29/12,321.72 = 3,832.38/x
3. Step 3: Cross multiply
   8,215.29x = 12,321.72 × 3,832.38
4. Step 4: Simplify right side
   8,215.29x = 47,221,513.29
5. Step 5: Solve for x
   x = 47,221,513.29/8,215.29
6. Step 6: Final answer
   x = 5,748.00