Finding the Fourth Proportional to 23,053.05, 31,814.91 and 12,982.59

Step by Step Solution

1. Step 1: Write the proportion equation
   23,053.05 : 31,814.91 = 12,982.59 : x
2. Step 2: Convert to fraction form
   23,053.05/31,814.91 = 12,982.59/x
3. Step 3: Cross multiply
   23,053.05x = 31,814.91 × 12,982.59
4. Step 4: Simplify right side
   23,053.05x = 413,039,932.42
5. Step 5: Solve for x
   x = 413,039,932.42/23,053.05
6. Step 6: Final answer
   x = 17,916.93