Finding the Fourth Proportional to 22,741, 31,382.82 and 12,805

Step by Step Solution

1. Step 1: Write the proportion equation
   22,741 : 31,382.82 = 12,805 : x
2. Step 2: Convert to fraction form
   22,741/31,382.82 = 12,805/x
3. Step 3: Cross multiply
   22,741x = 31,382.82 × 12,805
4. Step 4: Simplify right side
   22,741x = 401,857,010.10
5. Step 5: Solve for x
   x = 401,857,010.10/22,741
6. Step 6: Final answer
   x = 17,671.04