Finding the Fourth Proportional to 1,945.52, 2,919.49 and 791.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.52 : 2,919.49 = 791.27 : x
2. Step 2: Convert to fraction form
   1,945.52/2,919.49 = 791.27/x
3. Step 3: Cross multiply
   1,945.52x = 2,919.49 × 791.27
4. Step 4: Simplify right side
   1,945.52x = 2,310,090.25
5. Step 5: Solve for x
   x = 2,310,090.25/1,945.52
6. Step 6: Final answer
   x = 1,187.39