Finding the Fourth Proportional to 22,453.47, 30,987.56 and 12,382.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,453.47 : 30,987.56 = 12,382.83 : x
2. Step 2: Convert to fraction form
   22,453.47/30,987.56 = 12,382.83/x
3. Step 3: Cross multiply
   22,453.47x = 30,987.56 × 12,382.83
4. Step 4: Simplify right side
   22,453.47x = 383,713,625.68
5. Step 5: Solve for x
   x = 383,713,625.68/22,453.47
6. Step 6: Final answer
   x = 17,089.28