Finding the Fourth Proportional to 2,268.83, 3,131.13 and 1,274.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.83 : 3,131.13 = 1,274.18 : x
2. Step 2: Convert to fraction form
   2,268.83/3,131.13 = 1,274.18/x
3. Step 3: Cross multiply
   2,268.83x = 3,131.13 × 1,274.18
4. Step 4: Simplify right side
   2,268.83x = 3,989,607.57
5. Step 5: Solve for x
   x = 3,989,607.57/2,268.83
6. Step 6: Final answer
   x = 1,758.45