Finding the Fourth Proportional to 42,744.82, 64,120.20 and 16,449.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,744.82 : 64,120.20 = 16,449.52 : x
2. Step 2: Convert to fraction form
   42,744.82/64,120.20 = 16,449.52/x
3. Step 3: Cross multiply
   42,744.82x = 64,120.20 × 16,449.52
4. Step 4: Simplify right side
   42,744.82x = 1,054,746,512.30
5. Step 5: Solve for x
   x = 1,054,746,512.30/42,744.82
6. Step 6: Final answer
   x = 24,675.42