Finding the Fourth Proportional to 23,007.05, 31,747.91 and 12,933.57

Step by Step Solution

1. Step 1: Write the proportion equation
   23,007.05 : 31,747.91 = 12,933.57 : x
2. Step 2: Convert to fraction form
   23,007.05/31,747.91 = 12,933.57/x
3. Step 3: Cross multiply
   23,007.05x = 31,747.91 × 12,933.57
4. Step 4: Simplify right side
   23,007.05x = 410,613,751.67
5. Step 5: Solve for x
   x = 410,613,751.67/23,007.05
6. Step 6: Final answer
   x = 17,847.31