Finding the Fourth Proportional to 6,929.94, 10,401.39 and 3,423.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,929.94 : 10,401.39 = 3,423.91 : x
2. Step 2: Convert to fraction form
   6,929.94/10,401.39 = 3,423.91/x
3. Step 3: Cross multiply
   6,929.94x = 10,401.39 × 3,423.91
4. Step 4: Simplify right side
   6,929.94x = 35,613,423.23
5. Step 5: Solve for x
   x = 35,613,423.23/6,929.94
6. Step 6: Final answer
   x = 5,139.07