Finding the Fourth Proportional to 6,879.84, 10,323.42 and 4,111.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,879.84 : 10,323.42 = 4,111.92 : x
2. Step 2: Convert to fraction form
   6,879.84/10,323.42 = 4,111.92/x
3. Step 3: Cross multiply
   6,879.84x = 10,323.42 × 4,111.92
4. Step 4: Simplify right side
   6,879.84x = 42,449,077.17
5. Step 5: Solve for x
   x = 42,449,077.17/6,879.84
6. Step 6: Final answer
   x = 6,170.07