Finding the Fourth Proportional to 30,777, 42,472.14 and 16,629.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,777 : 42,472.14 = 16,629.82 : x
2. Step 2: Convert to fraction form
   30,777/42,472.14 = 16,629.82/x
3. Step 3: Cross multiply
   30,777x = 42,472.14 × 16,629.82
4. Step 4: Simplify right side
   30,777x = 706,304,043.21
5. Step 5: Solve for x
   x = 706,304,043.21/30,777
6. Step 6: Final answer
   x = 22,949.09