Finding the Fourth Proportional to 2,268.69, 3,130.83 and 1,274.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.69 : 3,130.83 = 1,274.19 : x
2. Step 2: Convert to fraction form
   2,268.69/3,130.83 = 1,274.19/x
3. Step 3: Cross multiply
   2,268.69x = 3,130.83 × 1,274.19
4. Step 4: Simplify right side
   2,268.69x = 3,989,272.28
5. Step 5: Solve for x
   x = 3,989,272.28/2,268.69
6. Step 6: Final answer
   x = 1,758.40