Finding the Fourth Proportional to 22,875.82, 31,568.79 and 12,805.19

Step by Step Solution

1. Step 1: Write the proportion equation
   22,875.82 : 31,568.79 = 12,805.19 : x
2. Step 2: Convert to fraction form
   22,875.82/31,568.79 = 12,805.19/x
3. Step 3: Cross multiply
   22,875.82x = 31,568.79 × 12,805.19
4. Step 4: Simplify right side
   22,875.82x = 404,244,354.02
5. Step 5: Solve for x
   x = 404,244,354.02/22,875.82
6. Step 6: Final answer
   x = 17,671.25