Finding the Fourth Proportional to 31,029.06, 42,821.02 and 16,882.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,029.06 : 42,821.02 = 16,882.82 : x
2. Step 2: Convert to fraction form
   31,029.06/42,821.02 = 16,882.82/x
3. Step 3: Cross multiply
   31,029.06x = 42,821.02 × 16,882.82
4. Step 4: Simplify right side
   31,029.06x = 722,939,572.88
5. Step 5: Solve for x
   x = 722,939,572.88/31,029.06
6. Step 6: Final answer
   x = 23,298.79