Finding the Fourth Proportional to 14,167.52, 19,550.90 and 7,879.76

Step by Step Solution

1. Step 1: Write the proportion equation
   14,167.52 : 19,550.90 = 7,879.76 : x
2. Step 2: Convert to fraction form
   14,167.52/19,550.90 = 7,879.76/x
3. Step 3: Cross multiply
   14,167.52x = 19,550.90 × 7,879.76
4. Step 4: Simplify right side
   14,167.52x = 154,056,399.78
5. Step 5: Solve for x
   x = 154,056,399.78/14,167.52
6. Step 6: Final answer
   x = 10,873.91