Finding the Fourth Proportional to 22,877.33, 31,571.39 and 12,805.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,877.33 : 31,571.39 = 12,805.74 : x
2. Step 2: Convert to fraction form
   22,877.33/31,571.39 = 12,805.74/x
3. Step 3: Cross multiply
   22,877.33x = 31,571.39 × 12,805.74
4. Step 4: Simplify right side
   22,877.33x = 404,294,947.75
5. Step 5: Solve for x
   x = 404,294,947.75/22,877.33
6. Step 6: Final answer
   x = 17,672.29