Finding the Fourth Proportional to 22,008.50, 30,371.73 and 12,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,008.50 : 30,371.73 = 12,072.50 : x
2. Step 2: Convert to fraction form
   22,008.50/30,371.73 = 12,072.50/x
3. Step 3: Cross multiply
   22,008.50x = 30,371.73 × 12,072.50
4. Step 4: Simplify right side
   22,008.50x = 366,662,710.43
5. Step 5: Solve for x
   x = 366,662,710.43/22,008.50
6. Step 6: Final answer
   x = 16,660.05