Finding the Fourth Proportional to 22,131.81, 30,542.67 and 12,061.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,131.81 : 30,542.67 = 12,061.08 : x
2. Step 2: Convert to fraction form
   22,131.81/30,542.67 = 12,061.08/x
3. Step 3: Cross multiply
   22,131.81x = 30,542.67 × 12,061.08
4. Step 4: Simplify right side
   22,131.81x = 368,377,586.28
5. Step 5: Solve for x
   x = 368,377,586.28/22,131.81
6. Step 6: Final answer
   x = 16,644.71