Finding the Fourth Proportional to 1,100.94, 1,519.44 and 681.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.94 : 1,519.44 = 681.24 : x
2. Step 2: Convert to fraction form
   1,100.94/1,519.44 = 681.24/x
3. Step 3: Cross multiply
   1,100.94x = 1,519.44 × 681.24
4. Step 4: Simplify right side
   1,100.94x = 1,035,103.31
5. Step 5: Solve for x
   x = 1,035,103.31/1,100.94
6. Step 6: Final answer
   x = 940.20