Finding the Fourth Proportional to 9,309.33, 12,842.59 and 8,248.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,309.33 : 12,842.59 = 8,248.17 : x
2. Step 2: Convert to fraction form
   9,309.33/12,842.59 = 8,248.17/x
3. Step 3: Cross multiply
   9,309.33x = 12,842.59 × 8,248.17
4. Step 4: Simplify right side
   9,309.33x = 105,927,865.56
5. Step 5: Solve for x
   x = 105,927,865.56/9,309.33
6. Step 6: Final answer
   x = 11,378.68