Finding the Fourth Proportional to 1,495.43, 2,062.55 and 905.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,495.43 : 2,062.55 = 905.34 : x
2. Step 2: Convert to fraction form
   1,495.43/2,062.55 = 905.34/x
3. Step 3: Cross multiply
   1,495.43x = 2,062.55 × 905.34
4. Step 4: Simplify right side
   1,495.43x = 1,867,304.49
5. Step 5: Solve for x
   x = 1,867,304.49/1,495.43
6. Step 6: Final answer
   x = 1,248.68