Finding the Fourth Proportional to 6,764.76, 10,142.28 and 3,065.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,764.76 : 10,142.28 = 3,065.09 : x
2. Step 2: Convert to fraction form
   6,764.76/10,142.28 = 3,065.09/x
3. Step 3: Cross multiply
   6,764.76x = 10,142.28 × 3,065.09
4. Step 4: Simplify right side
   6,764.76x = 31,086,950.29
5. Step 5: Solve for x
   x = 31,086,950.29/6,764.76
6. Step 6: Final answer
   x = 4,595.43