Finding the Fourth Proportional to 6,868.56, 10,305.91 and 3,168.81

Step by Step Solution

1. Step 1: Write the proportion equation
   6,868.56 : 10,305.91 = 3,168.81 : x
2. Step 2: Convert to fraction form
   6,868.56/10,305.91 = 3,168.81/x
3. Step 3: Cross multiply
   6,868.56x = 10,305.91 × 3,168.81
4. Step 4: Simplify right side
   6,868.56x = 32,657,470.67
5. Step 5: Solve for x
   x = 32,657,470.67/6,868.56
6. Step 6: Final answer
   x = 4,754.63