Finding the Fourth Proportional to 22,819.97, 31,490.44 and 12,746.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,819.97 : 31,490.44 = 12,746.41 : x
2. Step 2: Convert to fraction form
   22,819.97/31,490.44 = 12,746.41/x
3. Step 3: Cross multiply
   22,819.97x = 31,490.44 × 12,746.41
4. Step 4: Simplify right side
   22,819.97x = 401,390,059.32
5. Step 5: Solve for x
   x = 401,390,059.32/22,819.97
6. Step 6: Final answer
   x = 17,589.42