Finding the Fourth Proportional to 1,362.34, 1,879.46 and 908.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.34 : 1,879.46 = 908.30 : x
2. Step 2: Convert to fraction form
   1,362.34/1,879.46 = 908.30/x
3. Step 3: Cross multiply
   1,362.34x = 1,879.46 × 908.30
4. Step 4: Simplify right side
   1,362.34x = 1,707,099.58
5. Step 5: Solve for x
   x = 1,707,099.58/1,362.34
6. Step 6: Final answer
   x = 1,253.06