Finding the Fourth Proportional to 22,876.79, 31,569.82 and 12,805.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,876.79 : 31,569.82 = 12,805.18 : x
2. Step 2: Convert to fraction form
   22,876.79/31,569.82 = 12,805.18/x
3. Step 3: Cross multiply
   22,876.79x = 31,569.82 × 12,805.18
4. Step 4: Simplify right side
   22,876.79x = 404,257,116.73
5. Step 5: Solve for x
   x = 404,257,116.73/22,876.79
6. Step 6: Final answer
   x = 17,671.06