Finding the Fourth Proportional to 1,268.94, 1,744.42 and 1,091.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268.94 : 1,744.42 = 1,091.25 : x
2. Step 2: Convert to fraction form
   1,268.94/1,744.42 = 1,091.25/x
3. Step 3: Cross multiply
   1,268.94x = 1,744.42 × 1,091.25
4. Step 4: Simplify right side
   1,268.94x = 1,903,598.33
5. Step 5: Solve for x
   x = 1,903,598.33/1,268.94
6. Step 6: Final answer
   x = 1,500.15