Finding the Fourth Proportional to 42,668.48, 64,010.98 and 16,371.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,668.48 : 64,010.98 = 16,371.18 : x
2. Step 2: Convert to fraction form
   42,668.48/64,010.98 = 16,371.18/x
3. Step 3: Cross multiply
   42,668.48x = 64,010.98 × 16,371.18
4. Step 4: Simplify right side
   42,668.48x = 1,047,935,072.02
5. Step 5: Solve for x
   x = 1,047,935,072.02/42,668.48
6. Step 6: Final answer
   x = 24,559.93