Finding the Fourth Proportional to 8,009.48, 12,004.81 and 7,086.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,009.48 : 12,004.81 = 7,086.89 : x
2. Step 2: Convert to fraction form
   8,009.48/12,004.81 = 7,086.89/x
3. Step 3: Cross multiply
   8,009.48x = 12,004.81 × 7,086.89
4. Step 4: Simplify right side
   8,009.48x = 85,076,780.24
5. Step 5: Solve for x
   x = 85,076,780.24/8,009.48
6. Step 6: Final answer
   x = 10,622.01