Finding the Fourth Proportional to 6,828.08, 10,236.16 and 5,667.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,828.08 : 10,236.16 = 5,667.72 : x
2. Step 2: Convert to fraction form
   6,828.08/10,236.16 = 5,667.72/x
3. Step 3: Cross multiply
   6,828.08x = 10,236.16 × 5,667.72
4. Step 4: Simplify right side
   6,828.08x = 58,015,688.76
5. Step 5: Solve for x
   x = 58,015,688.76/6,828.08
6. Step 6: Final answer
   x = 8,496.63