Finding the Fourth Proportional to 1,100.89, 1,519.16 and 603.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.89 : 1,519.16 = 603.43 : x
2. Step 2: Convert to fraction form
   1,100.89/1,519.16 = 603.43/x
3. Step 3: Cross multiply
   1,100.89x = 1,519.16 × 603.43
4. Step 4: Simplify right side
   1,100.89x = 916,699.12
5. Step 5: Solve for x
   x = 916,699.12/1,100.89
6. Step 6: Final answer
   x = 832.69