Finding the Fourth Proportional to 23,124.57, 31,911.98 and 12,514.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,124.57 : 31,911.98 = 12,514.20 : x
2. Step 2: Convert to fraction form
   23,124.57/31,911.98 = 12,514.20/x
3. Step 3: Cross multiply
   23,124.57x = 31,911.98 × 12,514.20
4. Step 4: Simplify right side
   23,124.57x = 399,352,900.12
5. Step 5: Solve for x
   x = 399,352,900.12/23,124.57
6. Step 6: Final answer
   x = 17,269.64