Finding the Fourth Proportional to 22,877.58, 31,571.60 and 12,805.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,877.58 : 31,571.60 = 12,805.77 : x
2. Step 2: Convert to fraction form
   22,877.58/31,571.60 = 12,805.77/x
3. Step 3: Cross multiply
   22,877.58x = 31,571.60 × 12,805.77
4. Step 4: Simplify right side
   22,877.58x = 404,298,584.10
5. Step 5: Solve for x
   x = 404,298,584.10/22,877.58
6. Step 6: Final answer
   x = 17,672.26