Finding the Fourth Proportional to 6,904.91, 10,357.31 and 1,710.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,904.91 : 10,357.31 = 1,710.78 : x
2. Step 2: Convert to fraction form
   6,904.91/10,357.31 = 1,710.78/x
3. Step 3: Cross multiply
   6,904.91x = 10,357.31 × 1,710.78
4. Step 4: Simplify right side
   6,904.91x = 17,719,078.80
5. Step 5: Solve for x
   x = 17,719,078.80/6,904.91
6. Step 6: Final answer
   x = 2,566.16