Finding the Fourth Proportional to 23,629.32, 35,458.56 and 13,107.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,629.32 : 35,458.56 = 13,107.42 : x
2. Step 2: Convert to fraction form
   23,629.32/35,458.56 = 13,107.42/x
3. Step 3: Cross multiply
   23,629.32x = 35,458.56 × 13,107.42
4. Step 4: Simplify right side
   23,629.32x = 464,770,238.52
5. Step 5: Solve for x
   x = 464,770,238.52/23,629.32
6. Step 6: Final answer
   x = 19,669.22