Finding the Fourth Proportional to 1,383.08, 1,908.61 and 753.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.08 : 1,908.61 = 753.62 : x
2. Step 2: Convert to fraction form
   1,383.08/1,908.61 = 753.62/x
3. Step 3: Cross multiply
   1,383.08x = 1,908.61 × 753.62
4. Step 4: Simplify right side
   1,383.08x = 1,438,355.24
5. Step 5: Solve for x
   x = 1,438,355.24/1,383.08
6. Step 6: Final answer
   x = 1,039.97