Finding the Fourth Proportional to 22,339.56, 30,828.54 and 12,403.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,339.56 : 30,828.54 = 12,403.56 : x
2. Step 2: Convert to fraction form
   22,339.56/30,828.54 = 12,403.56/x
3. Step 3: Cross multiply
   22,339.56x = 30,828.54 × 12,403.56
4. Step 4: Simplify right side
   22,339.56x = 382,383,645.60
5. Step 5: Solve for x
   x = 382,383,645.60/22,339.56
6. Step 6: Final answer
   x = 17,116.88