Finding the Fourth Proportional to 43,016.16, 64,474.56 and 16,698.59

Step by Step Solution

1. Step 1: Write the proportion equation
   43,016.16 : 64,474.56 = 16,698.59 : x
2. Step 2: Convert to fraction form
   43,016.16/64,474.56 = 16,698.59/x
3. Step 3: Cross multiply
   43,016.16x = 64,474.56 × 16,698.59
4. Step 4: Simplify right side
   43,016.16x = 1,076,633,920.50
5. Step 5: Solve for x
   x = 1,076,633,920.50/43,016.16
6. Step 6: Final answer
   x = 25,028.59