Finding the Fourth Proportional to 42,725.38, 64,080.78 and 16,416.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,725.38 : 64,080.78 = 16,416.58 : x
2. Step 2: Convert to fraction form
   42,725.38/64,080.78 = 16,416.58/x
3. Step 3: Cross multiply
   42,725.38x = 64,080.78 × 16,416.58
4. Step 4: Simplify right side
   42,725.38x = 1,051,987,251.33
5. Step 5: Solve for x
   x = 1,051,987,251.33/42,725.38
6. Step 6: Final answer
   x = 24,622.07