Finding the Fourth Proportional to 2,837.18, 4,255.98 and 757.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,837.18 : 4,255.98 = 757.12 : x
2. Step 2: Convert to fraction form
   2,837.18/4,255.98 = 757.12/x
3. Step 3: Cross multiply
   2,837.18x = 4,255.98 × 757.12
4. Step 4: Simplify right side
   2,837.18x = 3,222,287.58
5. Step 5: Solve for x
   x = 3,222,287.58/2,837.18
6. Step 6: Final answer
   x = 1,135.74