Finding the Fourth Proportional to 9,243.72, 12,749.00 and 6,982.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243.72 : 12,749.00 = 6,982.61 : x
2. Step 2: Convert to fraction form
   9,243.72/12,749.00 = 6,982.61/x
3. Step 3: Cross multiply
   9,243.72x = 12,749.00 × 6,982.61
4. Step 4: Simplify right side
   9,243.72x = 89,021,196.23
5. Step 5: Solve for x
   x = 89,021,196.23/9,243.72
6. Step 6: Final answer
   x = 9,630.45