Finding the Fourth Proportional to 30,896.97, 42,638.04 and 16,749.83

Step by Step Solution

1. Step 1: Write the proportion equation
   30,896.97 : 42,638.04 = 16,749.83 : x
2. Step 2: Convert to fraction form
   30,896.97/42,638.04 = 16,749.83/x
3. Step 3: Cross multiply
   30,896.97x = 42,638.04 × 16,749.83
4. Step 4: Simplify right side
   30,896.97x = 714,179,708.34
5. Step 5: Solve for x
   x = 714,179,708.34/30,896.97
6. Step 6: Final answer
   x = 23,114.88