Finding the Fourth Proportional to 1,494.80, 2,062.88 and 905.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.80 : 2,062.88 = 905.00 : x
2. Step 2: Convert to fraction form
   1,494.80/2,062.88 = 905.00/x
3. Step 3: Cross multiply
   1,494.80x = 2,062.88 × 905.00
4. Step 4: Simplify right side
   1,494.80x = 1,866,891.56
5. Step 5: Solve for x
   x = 1,866,891.56/1,494.80
6. Step 6: Final answer
   x = 1,248.93