Finding the Fourth Proportional to 2,696.49, 3,721.50 and 1,517.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,696.49 : 3,721.50 = 1,517.78 : x
2. Step 2: Convert to fraction form
   2,696.49/3,721.50 = 1,517.78/x
3. Step 3: Cross multiply
   2,696.49x = 3,721.50 × 1,517.78
4. Step 4: Simplify right side
   2,696.49x = 5,648,418.27
5. Step 5: Solve for x
   x = 5,648,418.27/2,696.49
6. Step 6: Final answer
   x = 2,094.73