Finding the Fourth Proportional to 8,927.69, 12,309.75 and 7,243.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,927.69 : 12,309.75 = 7,243.83 : x
2. Step 2: Convert to fraction form
   8,927.69/12,309.75 = 7,243.83/x
3. Step 3: Cross multiply
   8,927.69x = 12,309.75 × 7,243.83
4. Step 4: Simplify right side
   8,927.69x = 89,169,736.34
5. Step 5: Solve for x
   x = 89,169,736.34/8,927.69
6. Step 6: Final answer
   x = 9,988.00