Finding the Fourth Proportional to 22,057.02, 30,426.37 and 13,553.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,057.02 : 30,426.37 = 13,553.24 : x
2. Step 2: Convert to fraction form
   22,057.02/30,426.37 = 13,553.24/x
3. Step 3: Cross multiply
   22,057.02x = 30,426.37 × 13,553.24
4. Step 4: Simplify right side
   22,057.02x = 412,375,708.92
5. Step 5: Solve for x
   x = 412,375,708.92/22,057.02
6. Step 6: Final answer
   x = 18,695.89