Finding the Fourth Proportional to 6,681.10, 10,021.27 and 3,394.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,681.10 : 10,021.27 = 3,394.12 : x
2. Step 2: Convert to fraction form
   6,681.10/10,021.27 = 3,394.12/x
3. Step 3: Cross multiply
   6,681.10x = 10,021.27 × 3,394.12
4. Step 4: Simplify right side
   6,681.10x = 34,013,392.93
5. Step 5: Solve for x
   x = 34,013,392.93/6,681.10
6. Step 6: Final answer
   x = 5,090.99