Finding the Fourth Proportional to 23,040.71, 31,793.72 and 12,968.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,040.71 : 31,793.72 = 12,968.98 : x
2. Step 2: Convert to fraction form
   23,040.71/31,793.72 = 12,968.98/x
3. Step 3: Cross multiply
   23,040.71x = 31,793.72 × 12,968.98
4. Step 4: Simplify right side
   23,040.71x = 412,331,974.48
5. Step 5: Solve for x
   x = 412,331,974.48/23,040.71
6. Step 6: Final answer
   x = 17,895.80