Finding the Fourth Proportional to 976.54, 1,348.50 and 908.50

Step by Step Solution

1. Step 1: Write the proportion equation
   976.54 : 1,348.50 = 908.50 : x
2. Step 2: Convert to fraction form
   976.54/1,348.50 = 908.50/x
3. Step 3: Cross multiply
   976.54x = 1,348.50 × 908.50
4. Step 4: Simplify right side
   976.54x = 1,225,112.25
5. Step 5: Solve for x
   x = 1,225,112.25/976.54
6. Step 6: Final answer
   x = 1,254.54