Finding the Fourth Proportional to 22,182.48, 30,610.78 and 12,111.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,182.48 : 30,610.78 = 12,111.36 : x
2. Step 2: Convert to fraction form
   22,182.48/30,610.78 = 12,111.36/x
3. Step 3: Cross multiply
   22,182.48x = 30,610.78 × 12,111.36
4. Step 4: Simplify right side
   22,182.48x = 370,738,176.46
5. Step 5: Solve for x
   x = 370,738,176.46/22,182.48
6. Step 6: Final answer
   x = 16,713.11