Finding the Fourth Proportional to 23,238.96, 32,069.88 and 12,628.80

Step by Step Solution

1. Step 1: Write the proportion equation
   23,238.96 : 32,069.88 = 12,628.80 : x
2. Step 2: Convert to fraction form
   23,238.96/32,069.88 = 12,628.80/x
3. Step 3: Cross multiply
   23,238.96x = 32,069.88 × 12,628.80
4. Step 4: Simplify right side
   23,238.96x = 405,004,100.54
5. Step 5: Solve for x
   x = 405,004,100.54/23,238.96
6. Step 6: Final answer
   x = 17,427.81