Finding the Fourth Proportional to 22,111.24, 30,513.23 and 12,039.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,111.24 : 30,513.23 = 12,039.57 : x
2. Step 2: Convert to fraction form
   22,111.24/30,513.23 = 12,039.57/x
3. Step 3: Cross multiply
   22,111.24x = 30,513.23 × 12,039.57
4. Step 4: Simplify right side
   22,111.24x = 367,365,955.75
5. Step 5: Solve for x
   x = 367,365,955.75/22,111.24
6. Step 6: Final answer
   x = 16,614.44