Finding the Fourth Proportional to 23,231.56, 34,864.62 and 12,863.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,231.56 : 34,864.62 = 12,863.56 : x
2. Step 2: Convert to fraction form
   23,231.56/34,864.62 = 12,863.56/x
3. Step 3: Cross multiply
   23,231.56x = 34,864.62 × 12,863.56
4. Step 4: Simplify right side
   23,231.56x = 448,483,131.25
5. Step 5: Solve for x
   x = 448,483,131.25/23,231.56
6. Step 6: Final answer
   x = 19,304.91