Finding the Fourth Proportional to 10,969.68, 16,461.72 and 8,039.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,969.68 : 16,461.72 = 8,039.04 : x
2. Step 2: Convert to fraction form
   10,969.68/16,461.72 = 8,039.04/x
3. Step 3: Cross multiply
   10,969.68x = 16,461.72 × 8,039.04
4. Step 4: Simplify right side
   10,969.68x = 132,336,425.55
5. Step 5: Solve for x
   x = 132,336,425.55/10,969.68
6. Step 6: Final answer
   x = 12,063.84