Finding the Fourth Proportional to 8,043.49, 12,066.15 and 7,216.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,043.49 : 12,066.15 = 7,216.69 : x
2. Step 2: Convert to fraction form
   8,043.49/12,066.15 = 7,216.69/x
3. Step 3: Cross multiply
   8,043.49x = 12,066.15 × 7,216.69
4. Step 4: Simplify right side
   8,043.49x = 87,077,664.04
5. Step 5: Solve for x
   x = 87,077,664.04/8,043.49
6. Step 6: Final answer
   x = 10,825.86