Finding the Fourth Proportional to 23,053.98, 31,815.51 and 12,982.43

Step by Step Solution

1. Step 1: Write the proportion equation
   23,053.98 : 31,815.51 = 12,982.43 : x
2. Step 2: Convert to fraction form
   23,053.98/31,815.51 = 12,982.43/x
3. Step 3: Cross multiply
   23,053.98x = 31,815.51 × 12,982.43
4. Step 4: Simplify right side
   23,053.98x = 413,042,472.41
5. Step 5: Solve for x
   x = 413,042,472.41/23,053.98
6. Step 6: Final answer
   x = 17,916.32