Finding the Fourth Proportional to 30,896.49, 42,637.21 and 16,749.34

Step by Step Solution

1. Step 1: Write the proportion equation
   30,896.49 : 42,637.21 = 16,749.34 : x
2. Step 2: Convert to fraction form
   30,896.49/42,637.21 = 16,749.34/x
3. Step 3: Cross multiply
   30,896.49x = 42,637.21 × 16,749.34
4. Step 4: Simplify right side
   30,896.49x = 714,144,978.48
5. Step 5: Solve for x
   x = 714,144,978.48/30,896.49
6. Step 6: Final answer
   x = 23,114.11