Finding the Fourth Proportional to 1,100.79, 1,519.04 and 603.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.79 : 1,519.04 = 603.41 : x
2. Step 2: Convert to fraction form
   1,100.79/1,519.04 = 603.41/x
3. Step 3: Cross multiply
   1,100.79x = 1,519.04 × 603.41
4. Step 4: Simplify right side
   1,100.79x = 916,593.31
5. Step 5: Solve for x
   x = 916,593.31/1,100.79
6. Step 6: Final answer
   x = 832.67