Finding the Fourth Proportional to 22,453.31, 30,984.86 and 12,382.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,453.31 : 30,984.86 = 12,382.18 : x
2. Step 2: Convert to fraction form
   22,453.31/30,984.86 = 12,382.18/x
3. Step 3: Cross multiply
   22,453.31x = 30,984.86 × 12,382.18
4. Step 4: Simplify right side
   22,453.31x = 383,659,896.96
5. Step 5: Solve for x
   x = 383,659,896.96/22,453.31
6. Step 6: Final answer
   x = 17,087.01