Finding the Fourth Proportional to 1,945.97, 2,684.95 and 1,149.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.97 : 2,684.95 = 1,149.31 : x
2. Step 2: Convert to fraction form
   1,945.97/2,684.95 = 1,149.31/x
3. Step 3: Cross multiply
   1,945.97x = 2,684.95 × 1,149.31
4. Step 4: Simplify right side
   1,945.97x = 3,085,839.88
5. Step 5: Solve for x
   x = 3,085,839.88/1,945.97
6. Step 6: Final answer
   x = 1,585.76