Finding the Fourth Proportional to 2,268.52, 3,130.72 and 1,260.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.52 : 3,130.72 = 1,260.28 : x
2. Step 2: Convert to fraction form
   2,268.52/3,130.72 = 1,260.28/x
3. Step 3: Cross multiply
   2,268.52x = 3,130.72 × 1,260.28
4. Step 4: Simplify right side
   2,268.52x = 3,945,583.80
5. Step 5: Solve for x
   x = 3,945,583.80/2,268.52
6. Step 6: Final answer
   x = 1,739.28