Finding the Fourth Proportional to 31,029.48, 42,821.01 and 16,882.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,029.48 : 42,821.01 = 16,882.34 : x
2. Step 2: Convert to fraction form
   31,029.48/42,821.01 = 16,882.34/x
3. Step 3: Cross multiply
   31,029.48x = 42,821.01 × 16,882.34
4. Step 4: Simplify right side
   31,029.48x = 722,918,635.86
5. Step 5: Solve for x
   x = 722,918,635.86/31,029.48
6. Step 6: Final answer
   x = 23,297.80