Finding the Fourth Proportional to 2,434.49, 3,645.89 and 1,391.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.49 : 3,645.89 = 1,391.33 : x
2. Step 2: Convert to fraction form
   2,434.49/3,645.89 = 1,391.33/x
3. Step 3: Cross multiply
   2,434.49x = 3,645.89 × 1,391.33
4. Step 4: Simplify right side
   2,434.49x = 5,072,636.13
5. Step 5: Solve for x
   x = 5,072,636.13/2,434.49
6. Step 6: Final answer
   x = 2,083.65