Finding the Fourth Proportional to 6,910.05, 10,368.56 and 3,399.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,910.05 : 10,368.56 = 3,399.91 : x
2. Step 2: Convert to fraction form
   6,910.05/10,368.56 = 3,399.91/x
3. Step 3: Cross multiply
   6,910.05x = 10,368.56 × 3,399.91
4. Step 4: Simplify right side
   6,910.05x = 35,252,170.83
5. Step 5: Solve for x
   x = 35,252,170.83/6,910.05
6. Step 6: Final answer
   x = 5,101.58