Finding the Fourth Proportional to 31,028.14, 42,819.90 and 16,881.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,028.14 : 42,819.90 = 16,881.52 : x
2. Step 2: Convert to fraction form
   31,028.14/42,819.90 = 16,881.52/x
3. Step 3: Cross multiply
   31,028.14x = 42,819.90 × 16,881.52
4. Step 4: Simplify right side
   31,028.14x = 722,864,998.25
5. Step 5: Solve for x
   x = 722,864,998.25/31,028.14
6. Step 6: Final answer
   x = 23,297.08