Finding the Fourth Proportional to 14,167.25, 19,550.81 and 7,879.49

Step by Step Solution

1. Step 1: Write the proportion equation
   14,167.25 : 19,550.81 = 7,879.49 : x
2. Step 2: Convert to fraction form
   14,167.25/19,550.81 = 7,879.49/x
3. Step 3: Cross multiply
   14,167.25x = 19,550.81 × 7,879.49
4. Step 4: Simplify right side
   14,167.25x = 154,050,372.49
5. Step 5: Solve for x
   x = 154,050,372.49/14,167.25
6. Step 6: Final answer
   x = 10,873.70