Finding the Fourth Proportional to 22,054.01, 30,439.34 and 13,563.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,054.01 : 30,439.34 = 13,563.43 : x
2. Step 2: Convert to fraction form
   22,054.01/30,439.34 = 13,563.43/x
3. Step 3: Cross multiply
   22,054.01x = 30,439.34 × 13,563.43
4. Step 4: Simplify right side
   22,054.01x = 412,861,878.43
5. Step 5: Solve for x
   x = 412,861,878.43/22,054.01
6. Step 6: Final answer
   x = 18,720.49