Finding the Fourth Proportional to 22,085.46, 33,128.46 and 12,243.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,085.46 : 33,128.46 = 12,243.96 : x
2. Step 2: Convert to fraction form
   22,085.46/33,128.46 = 12,243.96/x
3. Step 3: Cross multiply
   22,085.46x = 33,128.46 × 12,243.96
4. Step 4: Simplify right side
   22,085.46x = 405,623,539.10
5. Step 5: Solve for x
   x = 405,623,539.10/22,085.46
6. Step 6: Final answer
   x = 18,366.09