Finding the Fourth Proportional to 22,879.62, 31,575.27 and 12,808.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,879.62 : 31,575.27 = 12,808.69 : x
2. Step 2: Convert to fraction form
   22,879.62/31,575.27 = 12,808.69/x
3. Step 3: Cross multiply
   22,879.62x = 31,575.27 × 12,808.69
4. Step 4: Simplify right side
   22,879.62x = 404,437,845.10
5. Step 5: Solve for x
   x = 404,437,845.10/22,879.62
6. Step 6: Final answer
   x = 17,676.77