Finding the Fourth Proportional to 2,696.78, 3,721.56 and 1,518.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,696.78 : 3,721.56 = 1,518.23 : x
2. Step 2: Convert to fraction form
   2,696.78/3,721.56 = 1,518.23/x
3. Step 3: Cross multiply
   2,696.78x = 3,721.56 × 1,518.23
4. Step 4: Simplify right side
   2,696.78x = 5,650,184.04
5. Step 5: Solve for x
   x = 5,650,184.04/2,696.78
6. Step 6: Final answer
   x = 2,095.16