Finding the Fourth Proportional to 23,012.56, 34,553.40 and 13,162.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,012.56 : 34,553.40 = 13,162.96 : x
2. Step 2: Convert to fraction form
   23,012.56/34,553.40 = 13,162.96/x
3. Step 3: Cross multiply
   23,012.56x = 34,553.40 × 13,162.96
4. Step 4: Simplify right side
   23,012.56x = 454,825,022.06
5. Step 5: Solve for x
   x = 454,825,022.06/23,012.56
6. Step 6: Final answer
   x = 19,764.21