Finding the Fourth Proportional to 16,718.96, 23,072.42 and 10,004.87

Step by Step Solution

1. Step 1: Write the proportion equation
   16,718.96 : 23,072.42 = 10,004.87 : x
2. Step 2: Convert to fraction form
   16,718.96/23,072.42 = 10,004.87/x
3. Step 3: Cross multiply
   16,718.96x = 23,072.42 × 10,004.87
4. Step 4: Simplify right side
   16,718.96x = 230,836,562.69
5. Step 5: Solve for x
   x = 230,836,562.69/16,718.96
6. Step 6: Final answer
   x = 13,806.87