Finding the Fourth Proportional to 31,105.38, 42,923.96 and 17,676.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,105.38 : 42,923.96 = 17,676.30 : x
2. Step 2: Convert to fraction form
   31,105.38/42,923.96 = 17,676.30/x
3. Step 3: Cross multiply
   31,105.38x = 42,923.96 × 17,676.30
4. Step 4: Simplify right side
   31,105.38x = 758,736,794.15
5. Step 5: Solve for x
   x = 758,736,794.15/31,105.38
6. Step 6: Final answer
   x = 24,392.46