Finding the Fourth Proportional to 23,147.94, 31,944.12 and 12,537.57

Step by Step Solution

1. Step 1: Write the proportion equation
   23,147.94 : 31,944.12 = 12,537.57 : x
2. Step 2: Convert to fraction form
   23,147.94/31,944.12 = 12,537.57/x
3. Step 3: Cross multiply
   23,147.94x = 31,944.12 × 12,537.57
4. Step 4: Simplify right side
   23,147.94x = 400,501,640.59
5. Step 5: Solve for x
   x = 400,501,640.59/23,147.94
6. Step 6: Final answer
   x = 17,301.83