Finding the Fourth Proportional to 22,454.31, 30,986.23 and 12,383.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,454.31 : 30,986.23 = 12,383.18 : x
2. Step 2: Convert to fraction form
   22,454.31/30,986.23 = 12,383.18/x
3. Step 3: Cross multiply
   22,454.31x = 30,986.23 × 12,383.18
4. Step 4: Simplify right side
   22,454.31x = 383,708,063.61
5. Step 5: Solve for x
   x = 383,708,063.61/22,454.31
6. Step 6: Final answer
   x = 17,088.39