Finding the Fourth Proportional to 23,124.47, 31,911.80 and 12,514.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,124.47 : 31,911.80 = 12,514.10 : x
2. Step 2: Convert to fraction form
   23,124.47/31,911.80 = 12,514.10/x
3. Step 3: Cross multiply
   23,124.47x = 31,911.80 × 12,514.10
4. Step 4: Simplify right side
   23,124.47x = 399,347,456.38
5. Step 5: Solve for x
   x = 399,347,456.38/23,124.47
6. Step 6: Final answer
   x = 17,269.47