Finding the Fourth Proportional to 23,035.28, 31,786.62 and 12,964.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,035.28 : 31,786.62 = 12,964.52 : x
2. Step 2: Convert to fraction form
   23,035.28/31,786.62 = 12,964.52/x
3. Step 3: Cross multiply
   23,035.28x = 31,786.62 × 12,964.52
4. Step 4: Simplify right side
   23,035.28x = 412,098,270.72
5. Step 5: Solve for x
   x = 412,098,270.72/23,035.28
6. Step 6: Final answer
   x = 17,889.87