Finding the Fourth Proportional to 22,339.60, 30,828.42 and 12,268

Step by Step Solution

1. Step 1: Write the proportion equation
   22,339.60 : 30,828.42 = 12,268 : x
2. Step 2: Convert to fraction form
   22,339.60/30,828.42 = 12,268/x
3. Step 3: Cross multiply
   22,339.60x = 30,828.42 × 12,268
4. Step 4: Simplify right side
   22,339.60x = 378,203,056.56
5. Step 5: Solve for x
   x = 378,203,056.56/22,339.60
6. Step 6: Final answer
   x = 16,929.71