Finding the Fourth Proportional to 3,910.82, 5,397.46 and 2,517.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910.82 : 5,397.46 = 2,517.62 : x
2. Step 2: Convert to fraction form
   3,910.82/5,397.46 = 2,517.62/x
3. Step 3: Cross multiply
   3,910.82x = 5,397.46 × 2,517.62
4. Step 4: Simplify right side
   3,910.82x = 13,588,753.25
5. Step 5: Solve for x
   x = 13,588,753.25/3,910.82
6. Step 6: Final answer
   x = 3,474.66