Finding the Fourth Proportional to 22,111.05, 30,513.80 and 12,040.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,111.05 : 30,513.80 = 12,040.04 : x
2. Step 2: Convert to fraction form
   22,111.05/30,513.80 = 12,040.04/x
3. Step 3: Cross multiply
   22,111.05x = 30,513.80 × 12,040.04
4. Step 4: Simplify right side
   22,111.05x = 367,387,478.94
5. Step 5: Solve for x
   x = 367,387,478.94/22,111.05
6. Step 6: Final answer
   x = 16,615.56