Finding the Fourth Proportional to 22,454.05, 30,986.81 and 12,382.90

Step by Step Solution

1. Step 1: Write the proportion equation
   22,454.05 : 30,986.81 = 12,382.90 : x
2. Step 2: Convert to fraction form
   22,454.05/30,986.81 = 12,382.90/x
3. Step 3: Cross multiply
   22,454.05x = 30,986.81 × 12,382.90
4. Step 4: Simplify right side
   22,454.05x = 383,706,569.55
5. Step 5: Solve for x
   x = 383,706,569.55/22,454.05
6. Step 6: Final answer
   x = 17,088.52