Finding the Fourth Proportional to 23,004.27, 31,736.88 and 12,930.39

Step by Step Solution

1. Step 1: Write the proportion equation
   23,004.27 : 31,736.88 = 12,930.39 : x
2. Step 2: Convert to fraction form
   23,004.27/31,736.88 = 12,930.39/x
3. Step 3: Cross multiply
   23,004.27x = 31,736.88 × 12,930.39
4. Step 4: Simplify right side
   23,004.27x = 410,370,235.78
5. Step 5: Solve for x
   x = 410,370,235.78/23,004.27
6. Step 6: Final answer
   x = 17,838.87