Finding the Fourth Proportional to 42,004.41, 62,996.66 and 12,017.73

Step by Step Solution

1. Step 1: Write the proportion equation
   42,004.41 : 62,996.66 = 12,017.73 : x
2. Step 2: Convert to fraction form
   42,004.41/62,996.66 = 12,017.73/x
3. Step 3: Cross multiply
   42,004.41x = 62,996.66 × 12,017.73
4. Step 4: Simplify right side
   42,004.41x = 757,076,850.78
5. Step 5: Solve for x
   x = 757,076,850.78/42,004.41
6. Step 6: Final answer
   x = 18,023.75