Finding the Fourth Proportional to 22,270.15, 30,732.42 and 12,061.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,270.15 : 30,732.42 = 12,061.09 : x
2. Step 2: Convert to fraction form
   22,270.15/30,732.42 = 12,061.09/x
3. Step 3: Cross multiply
   22,270.15x = 30,732.42 × 12,061.09
4. Step 4: Simplify right side
   22,270.15x = 370,666,483.54
5. Step 5: Solve for x
   x = 370,666,483.54/22,270.15
6. Step 6: Final answer
   x = 16,644.10