Finding the Fourth Proportional to 1,494.27, 2,241.50 and 845.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.27 : 2,241.50 = 845.55 : x
2. Step 2: Convert to fraction form
   1,494.27/2,241.50 = 845.55/x
3. Step 3: Cross multiply
   1,494.27x = 2,241.50 × 845.55
4. Step 4: Simplify right side
   1,494.27x = 1,895,296.10
5. Step 5: Solve for x
   x = 1,895,296.10/1,494.27
6. Step 6: Final answer
   x = 1,268.38