Finding the Fourth Proportional to 22,434.40, 30,959.69 and 12,363.21

Step by Step Solution

1. Step 1: Write the proportion equation
   22,434.40 : 30,959.69 = 12,363.21 : x
2. Step 2: Convert to fraction form
   22,434.40/30,959.69 = 12,363.21/x
3. Step 3: Cross multiply
   22,434.40x = 30,959.69 × 12,363.21
4. Step 4: Simplify right side
   22,434.40x = 382,760,986.54
5. Step 5: Solve for x
   x = 382,760,986.54/22,434.40
6. Step 6: Final answer
   x = 17,061.34