Finding the Fourth Proportional to 23,310.05, 32,168.22 and 12,699.68

Step by Step Solution

1. Step 1: Write the proportion equation
   23,310.05 : 32,168.22 = 12,699.68 : x
2. Step 2: Convert to fraction form
   23,310.05/32,168.22 = 12,699.68/x
3. Step 3: Cross multiply
   23,310.05x = 32,168.22 × 12,699.68
4. Step 4: Simplify right side
   23,310.05x = 408,525,939.33
5. Step 5: Solve for x
   x = 408,525,939.33/23,310.05
6. Step 6: Final answer
   x = 17,525.75