Finding the Fourth Proportional to 1,383.53, 1,909.25 and 754.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.53 : 1,909.25 = 754.07 : x
2. Step 2: Convert to fraction form
   1,383.53/1,909.25 = 754.07/x
3. Step 3: Cross multiply
   1,383.53x = 1,909.25 × 754.07
4. Step 4: Simplify right side
   1,383.53x = 1,439,708.96
5. Step 5: Solve for x
   x = 1,439,708.96/1,383.53
6. Step 6: Final answer
   x = 1,040.61