Finding the Fourth Proportional to 30,891.98, 42,629.79 and 16,744.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,891.98 : 42,629.79 = 16,744.52 : x
2. Step 2: Convert to fraction form
   30,891.98/42,629.79 = 16,744.52/x
3. Step 3: Cross multiply
   30,891.98x = 42,629.79 × 16,744.52
4. Step 4: Simplify right side
   30,891.98x = 713,815,540.62
5. Step 5: Solve for x
   x = 713,815,540.62/30,891.98
6. Step 6: Final answer
   x = 23,106.82