Finding the Fourth Proportional to 1,942.72, 2,681.30 and 1,103.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.72 : 2,681.30 = 1,103.48 : x
2. Step 2: Convert to fraction form
   1,942.72/2,681.30 = 1,103.48/x
3. Step 3: Cross multiply
   1,942.72x = 2,681.30 × 1,103.48
4. Step 4: Simplify right side
   1,942.72x = 2,958,760.92
5. Step 5: Solve for x
   x = 2,958,760.92/1,942.72
6. Step 6: Final answer
   x = 1,523.00