Finding the Fourth Proportional to 23,010.24, 34,530.72 and 12,629.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,010.24 : 34,530.72 = 12,629.28 : x
2. Step 2: Convert to fraction form
   23,010.24/34,530.72 = 12,629.28/x
3. Step 3: Cross multiply
   23,010.24x = 34,530.72 × 12,629.28
4. Step 4: Simplify right side
   23,010.24x = 436,098,131.48
5. Step 5: Solve for x
   x = 436,098,131.48/23,010.24
6. Step 6: Final answer
   x = 18,952.35