Finding the Fourth Proportional to 30,896.37, 42,636.54 and 16,749.03

Step by Step Solution

1. Step 1: Write the proportion equation
   30,896.37 : 42,636.54 = 16,749.03 : x
2. Step 2: Convert to fraction form
   30,896.37/42,636.54 = 16,749.03/x
3. Step 3: Cross multiply
   30,896.37x = 42,636.54 × 16,749.03
4. Step 4: Simplify right side
   30,896.37x = 714,120,687.56
5. Step 5: Solve for x
   x = 714,120,687.56/30,896.37
6. Step 6: Final answer
   x = 23,113.42