Finding the Fourth Proportional to 23,778.69, 32,814.68 and 13,168.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,778.69 : 32,814.68 = 13,168.09 : x
2. Step 2: Convert to fraction form
   23,778.69/32,814.68 = 13,168.09/x
3. Step 3: Cross multiply
   23,778.69x = 32,814.68 × 13,168.09
4. Step 4: Simplify right side
   23,778.69x = 432,106,659.56
5. Step 5: Solve for x
   x = 432,106,659.56/23,778.69
6. Step 6: Final answer
   x = 18,172.01