Finding the Fourth Proportional to 1,100.89, 1,519.14 and 603.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.89 : 1,519.14 = 603.53 : x
2. Step 2: Convert to fraction form
   1,100.89/1,519.14 = 603.53/x
3. Step 3: Cross multiply
   1,100.89x = 1,519.14 × 603.53
4. Step 4: Simplify right side
   1,100.89x = 916,846.93
5. Step 5: Solve for x
   x = 916,846.93/1,100.89
6. Step 6: Final answer
   x = 832.82