Finding the Fourth Proportional to 22,440.94, 30,959.82 and 12,877.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,440.94 : 30,959.82 = 12,877.37 : x
2. Step 2: Convert to fraction form
   22,440.94/30,959.82 = 12,877.37/x
3. Step 3: Cross multiply
   22,440.94x = 30,959.82 × 12,877.37
4. Step 4: Simplify right side
   22,440.94x = 398,681,018.57
5. Step 5: Solve for x
   x = 398,681,018.57/22,440.94
6. Step 6: Final answer
   x = 17,765.79