Finding the Fourth Proportional to 42,995.82, 64,455.26 and 16,694.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,995.82 : 64,455.26 = 16,694.31 : x
2. Step 2: Convert to fraction form
   42,995.82/64,455.26 = 16,694.31/x
3. Step 3: Cross multiply
   42,995.82x = 64,455.26 × 16,694.31
4. Step 4: Simplify right side
   42,995.82x = 1,076,036,008.10
5. Step 5: Solve for x
   x = 1,076,036,008.10/42,995.82
6. Step 6: Final answer
   x = 25,026.53