Finding the Fourth Proportional to 42,819.76, 64,185.72 and 16,514.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,819.76 : 64,185.72 = 16,514.16 : x
2. Step 2: Convert to fraction form
   42,819.76/64,185.72 = 16,514.16/x
3. Step 3: Cross multiply
   42,819.76x = 64,185.72 × 16,514.16
4. Step 4: Simplify right side
   42,819.76x = 1,059,973,249.80
5. Step 5: Solve for x
   x = 1,059,973,249.80/42,819.76
6. Step 6: Final answer
   x = 24,754.30