Finding the Fourth Proportional to 1,383.83, 1,909.67 and 754.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.83 : 1,909.67 = 754.39 : x
2. Step 2: Convert to fraction form
   1,383.83/1,909.67 = 754.39/x
3. Step 3: Cross multiply
   1,383.83x = 1,909.67 × 754.39
4. Step 4: Simplify right side
   1,383.83x = 1,440,638.81
5. Step 5: Solve for x
   x = 1,440,638.81/1,383.83
6. Step 6: Final answer
   x = 1,041.05