Finding the Fourth Proportional to 22,128.43, 30,537.56 and 12,567.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,128.43 : 30,537.56 = 12,567.59 : x
2. Step 2: Convert to fraction form
   22,128.43/30,537.56 = 12,567.59/x
3. Step 3: Cross multiply
   22,128.43x = 30,537.56 × 12,567.59
4. Step 4: Simplify right side
   22,128.43x = 383,783,533.68
5. Step 5: Solve for x
   x = 383,783,533.68/22,128.43
6. Step 6: Final answer
   x = 17,343.46