Finding the Fourth Proportional to 2,792.48, 4,189.40 and 844.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,792.48 : 4,189.40 = 844.57 : x
2. Step 2: Convert to fraction form
   2,792.48/4,189.40 = 844.57/x
3. Step 3: Cross multiply
   2,792.48x = 4,189.40 × 844.57
4. Step 4: Simplify right side
   2,792.48x = 3,538,241.56
5. Step 5: Solve for x
   x = 3,538,241.56/2,792.48
6. Step 6: Final answer
   x = 1,267.06