Finding the Fourth Proportional to 6,765.76, 10,143.78 and 3,066.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,765.76 : 10,143.78 = 3,066.09 : x
2. Step 2: Convert to fraction form
   6,765.76/10,143.78 = 3,066.09/x
3. Step 3: Cross multiply
   6,765.76x = 10,143.78 × 3,066.09
4. Step 4: Simplify right side
   6,765.76x = 31,101,742.42
5. Step 5: Solve for x
   x = 31,101,742.42/6,765.76
6. Step 6: Final answer
   x = 4,596.93