Finding the Fourth Proportional to 21,826.88, 30,119.94 and 12,267.14

Step by Step Solution

1. Step 1: Write the proportion equation
   21,826.88 : 30,119.94 = 12,267.14 : x
2. Step 2: Convert to fraction form
   21,826.88/30,119.94 = 12,267.14/x
3. Step 3: Cross multiply
   21,826.88x = 30,119.94 × 12,267.14
4. Step 4: Simplify right side
   21,826.88x = 369,485,520.77
5. Step 5: Solve for x
   x = 369,485,520.77/21,826.88
6. Step 6: Final answer
   x = 16,928.00