Finding the Fourth Proportional to 31,029.38, 42,819.90 and 16,882.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,029.38 : 42,819.90 = 16,882.28 : x
2. Step 2: Convert to fraction form
   31,029.38/42,819.90 = 16,882.28/x
3. Step 3: Cross multiply
   31,029.38x = 42,819.90 × 16,882.28
4. Step 4: Simplify right side
   31,029.38x = 722,897,541.37
5. Step 5: Solve for x
   x = 722,897,541.37/31,029.38
6. Step 6: Final answer
   x = 23,297.20