Finding the Fourth Proportional to 42,996.82, 64,456.75 and 16,695.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,996.82 : 64,456.75 = 16,695.31 : x
2. Step 2: Convert to fraction form
   42,996.82/64,456.75 = 16,695.31/x
3. Step 3: Cross multiply
   42,996.82x = 64,456.75 × 16,695.31
4. Step 4: Simplify right side
   42,996.82x = 1,076,125,422.84
5. Step 5: Solve for x
   x = 1,076,125,422.84/42,996.82
6. Step 6: Final answer
   x = 25,028.02