Finding the Fourth Proportional to 9,273.91, 13,828.15 and 8,243.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,273.91 : 13,828.15 = 8,243.59 : x
2. Step 2: Convert to fraction form
   9,273.91/13,828.15 = 8,243.59/x
3. Step 3: Cross multiply
   9,273.91x = 13,828.15 × 8,243.59
4. Step 4: Simplify right side
   9,273.91x = 113,993,599.06
5. Step 5: Solve for x
   x = 113,993,599.06/9,273.91
6. Step 6: Final answer
   x = 12,291.86