Finding the Fourth Proportional to 23,667.37, 32,660.97 and 13,057

Step by Step Solution

1. Step 1: Write the proportion equation
   23,667.37 : 32,660.97 = 13,057 : x
2. Step 2: Convert to fraction form
   23,667.37/32,660.97 = 13,057/x
3. Step 3: Cross multiply
   23,667.37x = 32,660.97 × 13,057
4. Step 4: Simplify right side
   23,667.37x = 426,454,285.29
5. Step 5: Solve for x
   x = 426,454,285.29/23,667.37
6. Step 6: Final answer
   x = 18,018.66