Finding the Fourth Proportional to 23,231.07, 32,057.91 and 12,620.43

Step by Step Solution

1. Step 1: Write the proportion equation
   23,231.07 : 32,057.91 = 12,620.43 : x
2. Step 2: Convert to fraction form
   23,231.07/32,057.91 = 12,620.43/x
3. Step 3: Cross multiply
   23,231.07x = 32,057.91 × 12,620.43
4. Step 4: Simplify right side
   23,231.07x = 404,584,609.10
5. Step 5: Solve for x
   x = 404,584,609.10/23,231.07
6. Step 6: Final answer
   x = 17,415.67