Finding the Fourth Proportional to 1,350.60, 1,863.77 and 908.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.60 : 1,863.77 = 908.43 : x
2. Step 2: Convert to fraction form
   1,350.60/1,863.77 = 908.43/x
3. Step 3: Cross multiply
   1,350.60x = 1,863.77 × 908.43
4. Step 4: Simplify right side
   1,350.60x = 1,693,100.04
5. Step 5: Solve for x
   x = 1,693,100.04/1,350.60
6. Step 6: Final answer
   x = 1,253.59