Finding the Fourth Proportional to 1,100.75, 1,519.04 and 603.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.75 : 1,519.04 = 603.39 : x
2. Step 2: Convert to fraction form
   1,100.75/1,519.04 = 603.39/x
3. Step 3: Cross multiply
   1,100.75x = 1,519.04 × 603.39
4. Step 4: Simplify right side
   1,100.75x = 916,570.53
5. Step 5: Solve for x
   x = 916,570.53/1,100.75
6. Step 6: Final answer
   x = 832.68