Finding the Fourth Proportional to 22,057.92, 30,440.61 and 12,629.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,057.92 : 30,440.61 = 12,629.52 : x
2. Step 2: Convert to fraction form
   22,057.92/30,440.61 = 12,629.52/x
3. Step 3: Cross multiply
   22,057.92x = 30,440.61 × 12,629.52
4. Step 4: Simplify right side
   22,057.92x = 384,450,292.81
5. Step 5: Solve for x
   x = 384,450,292.81/22,057.92
6. Step 6: Final answer
   x = 17,429.13