Finding the Fourth Proportional to 22,454.69, 30,986.88 and 12,382.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,454.69 : 30,986.88 = 12,382.96 : x
2. Step 2: Convert to fraction form
   22,454.69/30,986.88 = 12,382.96/x
3. Step 3: Cross multiply
   22,454.69x = 30,986.88 × 12,382.96
4. Step 4: Simplify right side
   22,454.69x = 383,709,295.56
5. Step 5: Solve for x
   x = 383,709,295.56/22,454.69
6. Step 6: Final answer
   x = 17,088.16