Finding the Fourth Proportional to 6,879.34, 10,322.67 and 4,111.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,879.34 : 10,322.67 = 4,111.42 : x
2. Step 2: Convert to fraction form
   6,879.34/10,322.67 = 4,111.42/x
3. Step 3: Cross multiply
   6,879.34x = 10,322.67 × 4,111.42
4. Step 4: Simplify right side
   6,879.34x = 42,440,831.89
5. Step 5: Solve for x
   x = 42,440,831.89/6,879.34
6. Step 6: Final answer
   x = 6,169.32