Finding the Fourth Proportional to 22,172.94, 30,606.12 and 14,639.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,172.94 : 30,606.12 = 14,639.94 : x
2. Step 2: Convert to fraction form
   22,172.94/30,606.12 = 14,639.94/x
3. Step 3: Cross multiply
   22,172.94x = 30,606.12 × 14,639.94
4. Step 4: Simplify right side
   22,172.94x = 448,071,760.43
5. Step 5: Solve for x
   x = 448,071,760.43/22,172.94
6. Step 6: Final answer
   x = 20,208.04