Finding the Fourth Proportional to 22,453.74, 30,986.82 and 12,382.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,453.74 : 30,986.82 = 12,382.47 : x
2. Step 2: Convert to fraction form
   22,453.74/30,986.82 = 12,382.47/x
3. Step 3: Cross multiply
   22,453.74x = 30,986.82 × 12,382.47
4. Step 4: Simplify right side
   22,453.74x = 383,693,369.05
5. Step 5: Solve for x
   x = 383,693,369.05/22,453.74
6. Step 6: Final answer
   x = 17,088.17