Finding the Fourth Proportional to 12,067.71, 16,649.52 and 7,822.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,067.71 : 16,649.52 = 7,822.09 : x
2. Step 2: Convert to fraction form
   12,067.71/16,649.52 = 7,822.09/x
3. Step 3: Cross multiply
   12,067.71x = 16,649.52 × 7,822.09
4. Step 4: Simplify right side
   12,067.71x = 130,234,148.20
5. Step 5: Solve for x
   x = 130,234,148.20/12,067.71
6. Step 6: Final answer
   x = 10,791.95