Finding the Fourth Proportional to 1,101.27, 1,519.76 and 603.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,101.27 : 1,519.76 = 603.96 : x
2. Step 2: Convert to fraction form
   1,101.27/1,519.76 = 603.96/x
3. Step 3: Cross multiply
   1,101.27x = 1,519.76 × 603.96
4. Step 4: Simplify right side
   1,101.27x = 917,870.06
5. Step 5: Solve for x
   x = 917,870.06/1,101.27
6. Step 6: Final answer
   x = 833.46