Finding the Fourth Proportional to 22,951.58, 31,674.39 and 12,879.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,951.58 : 31,674.39 = 12,879.50 : x
2. Step 2: Convert to fraction form
   22,951.58/31,674.39 = 12,879.50/x
3. Step 3: Cross multiply
   22,951.58x = 31,674.39 × 12,879.50
4. Step 4: Simplify right side
   22,951.58x = 407,950,306.01
5. Step 5: Solve for x
   x = 407,950,306.01/22,951.58
6. Step 6: Final answer
   x = 17,774.39