Finding the Fourth Proportional to 22,454.37, 30,987.09 and 12,382.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,454.37 : 30,987.09 = 12,382.56 : x
2. Step 2: Convert to fraction form
   22,454.37/30,987.09 = 12,382.56/x
3. Step 3: Cross multiply
   22,454.37x = 30,987.09 × 12,382.56
4. Step 4: Simplify right side
   22,454.37x = 383,699,501.15
5. Step 5: Solve for x
   x = 383,699,501.15/22,454.37
6. Step 6: Final answer
   x = 17,087.97