Finding the Fourth Proportional to 22,054.38, 30,439.86 and 13,563.81

Step by Step Solution

1. Step 1: Write the proportion equation
   22,054.38 : 30,439.86 = 13,563.81 : x
2. Step 2: Convert to fraction form
   22,054.38/30,439.86 = 13,563.81/x
3. Step 3: Cross multiply
   22,054.38x = 30,439.86 × 13,563.81
4. Step 4: Simplify right side
   22,054.38x = 412,880,477.47
5. Step 5: Solve for x
   x = 412,880,477.47/22,054.38
6. Step 6: Final answer
   x = 18,721.02