Finding the Fourth Proportional to 1,654.41, 2,283.15 and 908.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.41 : 2,283.15 = 908.40 : x
2. Step 2: Convert to fraction form
   1,654.41/2,283.15 = 908.40/x
3. Step 3: Cross multiply
   1,654.41x = 2,283.15 × 908.40
4. Step 4: Simplify right side
   1,654.41x = 2,074,013.46
5. Step 5: Solve for x
   x = 2,074,013.46/1,654.41
6. Step 6: Final answer
   x = 1,253.63