Finding the Fourth Proportional to 2,494.72, 3,742.85 and 851.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,494.72 : 3,742.85 = 851.26 : x
2. Step 2: Convert to fraction form
   2,494.72/3,742.85 = 851.26/x
3. Step 3: Cross multiply
   2,494.72x = 3,742.85 × 851.26
4. Step 4: Simplify right side
   2,494.72x = 3,186,150.06
5. Step 5: Solve for x
   x = 3,186,150.06/2,494.72
6. Step 6: Final answer
   x = 1,277.16