Finding the Fourth Proportional to 42,042.16, 63,040 and 16,716.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,042.16 : 63,040 = 16,716.02 : x
2. Step 2: Convert to fraction form
   42,042.16/63,040 = 16,716.02/x
3. Step 3: Cross multiply
   42,042.16x = 63,040 × 16,716.02
4. Step 4: Simplify right side
   42,042.16x = 1,053,777,900.80
5. Step 5: Solve for x
   x = 1,053,777,900.80/42,042.16
6. Step 6: Final answer
   x = 25,064.79