Finding the Fourth Proportional to 31,029.60, 42,819.62 and 16,882.14

Step by Step Solution

1. Step 1: Write the proportion equation
   31,029.60 : 42,819.62 = 16,882.14 : x
2. Step 2: Convert to fraction form
   31,029.60/42,819.62 = 16,882.14/x
3. Step 3: Cross multiply
   31,029.60x = 42,819.62 × 16,882.14
4. Step 4: Simplify right side
   31,029.60x = 722,886,819.59
5. Step 5: Solve for x
   x = 722,886,819.59/31,029.60
6. Step 6: Final answer
   x = 23,296.69