Finding the Fourth Proportional to 1,100.43, 1,519.15 and 748.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.43 : 1,519.15 = 748.22 : x
2. Step 2: Convert to fraction form
   1,100.43/1,519.15 = 748.22/x
3. Step 3: Cross multiply
   1,100.43x = 1,519.15 × 748.22
4. Step 4: Simplify right side
   1,100.43x = 1,136,658.41
5. Step 5: Solve for x
   x = 1,136,658.41/1,100.43
6. Step 6: Final answer
   x = 1,032.92