Finding the Fourth Proportional to 17,687, 24,404.82 and 12,982.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,687 : 24,404.82 = 12,982.52 : x
2. Step 2: Convert to fraction form
   17,687/24,404.82 = 12,982.52/x
3. Step 3: Cross multiply
   17,687x = 24,404.82 × 12,982.52
4. Step 4: Simplify right side
   17,687x = 316,836,063.75
5. Step 5: Solve for x
   x = 316,836,063.75/17,687
6. Step 6: Final answer
   x = 17,913.50