Finding the Fourth Proportional to 17,757.69, 24,514.83 and 12,972.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,757.69 : 24,514.83 = 12,972.27 : x
2. Step 2: Convert to fraction form
   17,757.69/24,514.83 = 12,972.27/x
3. Step 3: Cross multiply
   17,757.69x = 24,514.83 × 12,972.27
4. Step 4: Simplify right side
   17,757.69x = 318,012,950.48
5. Step 5: Solve for x
   x = 318,012,950.48/17,757.69
6. Step 6: Final answer
   x = 17,908.46