Finding the Fourth Proportional to 22,112.13, 30,513.72 and 12,040.53

Step by Step Solution

1. Step 1: Write the proportion equation
   22,112.13 : 30,513.72 = 12,040.53 : x
2. Step 2: Convert to fraction form
   22,112.13/30,513.72 = 12,040.53/x
3. Step 3: Cross multiply
   22,112.13x = 30,513.72 × 12,040.53
4. Step 4: Simplify right side
   22,112.13x = 367,401,361.07
5. Step 5: Solve for x
   x = 367,401,361.07/22,112.13
6. Step 6: Final answer
   x = 16,615.38