Finding the Fourth Proportional to 23,775.16, 32,809.72 and 13,164.79

Step by Step Solution

1. Step 1: Write the proportion equation
   23,775.16 : 32,809.72 = 13,164.79 : x
2. Step 2: Convert to fraction form
   23,775.16/32,809.72 = 13,164.79/x
3. Step 3: Cross multiply
   23,775.16x = 32,809.72 × 13,164.79
4. Step 4: Simplify right side
   23,775.16x = 431,933,007.93
5. Step 5: Solve for x
   x = 431,933,007.93/23,775.16
6. Step 6: Final answer
   x = 18,167.41