Finding the Fourth Proportional to 22,139.34, 30,551.40 and 12,067.58

Step by Step Solution

1. Step 1: Write the proportion equation
   22,139.34 : 30,551.40 = 12,067.58 : x
2. Step 2: Convert to fraction form
   22,139.34/30,551.40 = 12,067.58/x
3. Step 3: Cross multiply
   22,139.34x = 30,551.40 × 12,067.58
4. Step 4: Simplify right side
   22,139.34x = 368,681,310.86
5. Step 5: Solve for x
   x = 368,681,310.86/22,139.34
6. Step 6: Final answer
   x = 16,652.77