Finding the Fourth Proportional to 23,148.16, 31,944.52 and 12,537.80

Step by Step Solution

1. Step 1: Write the proportion equation
   23,148.16 : 31,944.52 = 12,537.80 : x
2. Step 2: Convert to fraction form
   23,148.16/31,944.52 = 12,537.80/x
3. Step 3: Cross multiply
   23,148.16x = 31,944.52 × 12,537.80
4. Step 4: Simplify right side
   23,148.16x = 400,514,002.86
5. Step 5: Solve for x
   x = 400,514,002.86/23,148.16
6. Step 6: Final answer
   x = 17,302.20