Finding the Fourth Proportional to 23,052.42, 31,815.36 and 12,982.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,052.42 : 31,815.36 = 12,982.82 : x
2. Step 2: Convert to fraction form
   23,052.42/31,815.36 = 12,982.82/x
3. Step 3: Cross multiply
   23,052.42x = 31,815.36 × 12,982.82
4. Step 4: Simplify right side
   23,052.42x = 413,053,092.12
5. Step 5: Solve for x
   x = 413,053,092.12/23,052.42
6. Step 6: Final answer
   x = 17,917.99