Finding the Fourth Proportional to 2,004.27, 3,005.15 and 909.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,004.27 : 3,005.15 = 909.15 : x
2. Step 2: Convert to fraction form
   2,004.27/3,005.15 = 909.15/x
3. Step 3: Cross multiply
   2,004.27x = 3,005.15 × 909.15
4. Step 4: Simplify right side
   2,004.27x = 2,732,127.58
5. Step 5: Solve for x
   x = 2,732,127.58/2,004.27
6. Step 6: Final answer
   x = 1,363.15