Finding the Fourth Proportional to 22,139.83, 30,552.47 and 12,067.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,139.83 : 30,552.47 = 12,067.88 : x
2. Step 2: Convert to fraction form
   22,139.83/30,552.47 = 12,067.88/x
3. Step 3: Cross multiply
   22,139.83x = 30,552.47 × 12,067.88
4. Step 4: Simplify right side
   22,139.83x = 368,703,541.66
5. Step 5: Solve for x
   x = 368,703,541.66/22,139.83
6. Step 6: Final answer
   x = 16,653.41