Finding the Fourth Proportional to 23,120.46, 31,906.24 and 12,510.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,120.46 : 31,906.24 = 12,510.09 : x
2. Step 2: Convert to fraction form
   23,120.46/31,906.24 = 12,510.09/x
3. Step 3: Cross multiply
   23,120.46x = 31,906.24 × 12,510.09
4. Step 4: Simplify right side
   23,120.46x = 399,150,022.33
5. Step 5: Solve for x
   x = 399,150,022.33/23,120.46
6. Step 6: Final answer
   x = 17,263.93