Finding the Fourth Proportional to 22,111.80, 30,513.96 and 12,040.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,111.80 : 30,513.96 = 12,040.08 : x
2. Step 2: Convert to fraction form
   22,111.80/30,513.96 = 12,040.08/x
3. Step 3: Cross multiply
   22,111.80x = 30,513.96 × 12,040.08
4. Step 4: Simplify right side
   22,111.80x = 367,390,519.52
5. Step 5: Solve for x
   x = 367,390,519.52/22,111.80
6. Step 6: Final answer
   x = 16,615.13