Finding the Fourth Proportional to 23,231.79, 32,061.96 and 13,162.68

Step by Step Solution

1. Step 1: Write the proportion equation
   23,231.79 : 32,061.96 = 13,162.68 : x
2. Step 2: Convert to fraction form
   23,231.79/32,061.96 = 13,162.68/x
3. Step 3: Cross multiply
   23,231.79x = 32,061.96 × 13,162.68
4. Step 4: Simplify right side
   23,231.79x = 422,021,319.65
5. Step 5: Solve for x
   x = 422,021,319.65/23,231.79
6. Step 6: Final answer
   x = 18,165.68