Finding the Fourth Proportional to 2,004.45, 3,006.72 and 908.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,004.45 : 3,006.72 = 908.72 : x
2. Step 2: Convert to fraction form
   2,004.45/3,006.72 = 908.72/x
3. Step 3: Cross multiply
   2,004.45x = 3,006.72 × 908.72
4. Step 4: Simplify right side
   2,004.45x = 2,732,262.84
5. Step 5: Solve for x
   x = 2,732,262.84/2,004.45
6. Step 6: Final answer
   x = 1,363.10