Finding the Fourth Proportional to 6,689.30, 10,040.12 and 3,404.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,689.30 : 10,040.12 = 3,404.76 : x
2. Step 2: Convert to fraction form
   6,689.30/10,040.12 = 3,404.76/x
3. Step 3: Cross multiply
   6,689.30x = 10,040.12 × 3,404.76
4. Step 4: Simplify right side
   6,689.30x = 34,184,198.97
5. Step 5: Solve for x
   x = 34,184,198.97/6,689.30
6. Step 6: Final answer
   x = 5,110.28