Finding the Fourth Proportional to 8,814, 12,168.72 and 5,675.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,814 : 12,168.72 = 5,675.76 : x
2. Step 2: Convert to fraction form
   8,814/12,168.72 = 5,675.76/x
3. Step 3: Cross multiply
   8,814x = 12,168.72 × 5,675.76
4. Step 4: Simplify right side
   8,814x = 69,066,734.23
5. Step 5: Solve for x
   x = 69,066,734.23/8,814
6. Step 6: Final answer
   x = 7,836.03