Finding the Fourth Proportional to 2,377.26, 3,280.59 and 1,383.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.26 : 3,280.59 = 1,383.12 : x
2. Step 2: Convert to fraction form
   2,377.26/3,280.59 = 1,383.12/x
3. Step 3: Cross multiply
   2,377.26x = 3,280.59 × 1,383.12
4. Step 4: Simplify right side
   2,377.26x = 4,537,449.64
5. Step 5: Solve for x
   x = 4,537,449.64/2,377.26
6. Step 6: Final answer
   x = 1,908.69