Finding the Fourth Proportional to 23,399.73, 35,123.90 and 13,558.23

Step by Step Solution

1. Step 1: Write the proportion equation
   23,399.73 : 35,123.90 = 13,558.23 : x
2. Step 2: Convert to fraction form
   23,399.73/35,123.90 = 13,558.23/x
3. Step 3: Cross multiply
   23,399.73x = 35,123.90 × 13,558.23
4. Step 4: Simplify right side
   23,399.73x = 476,217,846.91
5. Step 5: Solve for x
   x = 476,217,846.91/23,399.73
6. Step 6: Final answer
   x = 20,351.42