Finding the Fourth Proportional to 23,052.50, 31,815.48 and 12,982.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,052.50 : 31,815.48 = 12,982.91 : x
2. Step 2: Convert to fraction form
   23,052.50/31,815.48 = 12,982.91/x
3. Step 3: Cross multiply
   23,052.50x = 31,815.48 × 12,982.91
4. Step 4: Simplify right side
   23,052.50x = 413,057,513.45
5. Step 5: Solve for x
   x = 413,057,513.45/23,052.50
6. Step 6: Final answer
   x = 17,918.12