Finding the Fourth Proportional to 22,490.56, 31,037.04 and 12,281.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,490.56 : 31,037.04 = 12,281.63 : x
2. Step 2: Convert to fraction form
   22,490.56/31,037.04 = 12,281.63/x
3. Step 3: Cross multiply
   22,490.56x = 31,037.04 × 12,281.63
4. Step 4: Simplify right side
   22,490.56x = 381,185,286.39
5. Step 5: Solve for x
   x = 381,185,286.39/22,490.56
6. Step 6: Final answer
   x = 16,948.68