Finding the Fourth Proportional to 1,603.43, 2,406.52 and 727.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603.43 : 2,406.52 = 727.27 : x
2. Step 2: Convert to fraction form
   1,603.43/2,406.52 = 727.27/x
3. Step 3: Cross multiply
   1,603.43x = 2,406.52 × 727.27
4. Step 4: Simplify right side
   1,603.43x = 1,750,189.80
5. Step 5: Solve for x
   x = 1,750,189.80/1,603.43
6. Step 6: Final answer
   x = 1,091.53