Finding the Fourth Proportional to 8,072.00, 12,112.68 and 3,391.64

Step by Step Solution

1. Step 1: Write the proportion equation
   8,072.00 : 12,112.68 = 3,391.64 : x
2. Step 2: Convert to fraction form
   8,072.00/12,112.68 = 3,391.64/x
3. Step 3: Cross multiply
   8,072.00x = 12,112.68 × 3,391.64
4. Step 4: Simplify right side
   8,072.00x = 41,081,789.43
5. Step 5: Solve for x
   x = 41,081,789.43/8,072.00
6. Step 6: Final answer
   x = 5,089.42