Finding the Fourth Proportional to 1,100.76, 1,519.07 and 603.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.76 : 1,519.07 = 603.42 : x
2. Step 2: Convert to fraction form
   1,100.76/1,519.07 = 603.42/x
3. Step 3: Cross multiply
   1,100.76x = 1,519.07 × 603.42
4. Step 4: Simplify right side
   1,100.76x = 916,634.20
5. Step 5: Solve for x
   x = 916,634.20/1,100.76
6. Step 6: Final answer
   x = 832.73