Finding the Fourth Proportional to 22,338.72, 30,827.28 and 12,267.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,338.72 : 30,827.28 = 12,267.32 : x
2. Step 2: Convert to fraction form
   22,338.72/30,827.28 = 12,267.32/x
3. Step 3: Cross multiply
   22,338.72x = 30,827.28 × 12,267.32
4. Step 4: Simplify right side
   22,338.72x = 378,168,108.49
5. Step 5: Solve for x
   x = 378,168,108.49/22,338.72
6. Step 6: Final answer
   x = 16,928.82