Finding the Fourth Proportional to 2,269.41, 3,130.89 and 1,383.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.41 : 3,130.89 = 1,383.69 : x
2. Step 2: Convert to fraction form
   2,269.41/3,130.89 = 1,383.69/x
3. Step 3: Cross multiply
   2,269.41x = 3,130.89 × 1,383.69
4. Step 4: Simplify right side
   2,269.41x = 4,332,181.18
5. Step 5: Solve for x
   x = 4,332,181.18/2,269.41
6. Step 6: Final answer
   x = 1,908.95