Finding the Fourth Proportional to 14,166.56, 19,550.94 and 7,879.34

Step by Step Solution

1. Step 1: Write the proportion equation
   14,166.56 : 19,550.94 = 7,879.34 : x
2. Step 2: Convert to fraction form
   14,166.56/19,550.94 = 7,879.34/x
3. Step 3: Cross multiply
   14,166.56x = 19,550.94 × 7,879.34
4. Step 4: Simplify right side
   14,166.56x = 154,048,503.58
5. Step 5: Solve for x
   x = 154,048,503.58/14,166.56
6. Step 6: Final answer
   x = 10,874.09