Finding the Fourth Proportional to 23,053.71, 31,814.88 and 12,982.33

Step by Step Solution

1. Step 1: Write the proportion equation
   23,053.71 : 31,814.88 = 12,982.33 : x
2. Step 2: Convert to fraction form
   23,053.71/31,814.88 = 12,982.33/x
3. Step 3: Cross multiply
   23,053.71x = 31,814.88 × 12,982.33
4. Step 4: Simplify right side
   23,053.71x = 413,031,083.20
5. Step 5: Solve for x
   x = 413,031,083.20/23,053.71
6. Step 6: Final answer
   x = 17,916.03