Finding the Fourth Proportional to 1,606.71, 2,217.24 and 908.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606.71 : 2,217.24 = 908.04 : x
2. Step 2: Convert to fraction form
   1,606.71/2,217.24 = 908.04/x
3. Step 3: Cross multiply
   1,606.71x = 2,217.24 × 908.04
4. Step 4: Simplify right side
   1,606.71x = 2,013,342.61
5. Step 5: Solve for x
   x = 2,013,342.61/1,606.71
6. Step 6: Final answer
   x = 1,253.08