Finding the Fourth Proportional to 6,894.86, 9,514.92 and 3,910.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,894.86 : 9,514.92 = 3,910.72 : x
2. Step 2: Convert to fraction form
   6,894.86/9,514.92 = 3,910.72/x
3. Step 3: Cross multiply
   6,894.86x = 9,514.92 × 3,910.72
4. Step 4: Simplify right side
   6,894.86x = 37,210,187.94
5. Step 5: Solve for x
   x = 37,210,187.94/6,894.86
6. Step 6: Final answer
   x = 5,396.80