Finding the Fourth Proportional to 23,035.12, 31,790.07 and 12,964.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,035.12 : 31,790.07 = 12,964.52 : x
2. Step 2: Convert to fraction form
   23,035.12/31,790.07 = 12,964.52/x
3. Step 3: Cross multiply
   23,035.12x = 31,790.07 × 12,964.52
4. Step 4: Simplify right side
   23,035.12x = 412,143,077.79
5. Step 5: Solve for x
   x = 412,143,077.79/23,035.12
6. Step 6: Final answer
   x = 17,891.95