Finding the Fourth Proportional to 22,371.22, 30,876.15 and 12,944.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,371.22 : 30,876.15 = 12,944.98 : x
2. Step 2: Convert to fraction form
   22,371.22/30,876.15 = 12,944.98/x
3. Step 3: Cross multiply
   22,371.22x = 30,876.15 × 12,944.98
4. Step 4: Simplify right side
   22,371.22x = 399,691,144.23
5. Step 5: Solve for x
   x = 399,691,144.23/22,371.22
6. Step 6: Final answer
   x = 17,866.31