Finding the Fourth Proportional to 2,023.73, 3,036.72 and 791.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,023.73 : 3,036.72 = 791.21 : x
2. Step 2: Convert to fraction form
   2,023.73/3,036.72 = 791.21/x
3. Step 3: Cross multiply
   2,023.73x = 3,036.72 × 791.21
4. Step 4: Simplify right side
   2,023.73x = 2,402,683.23
5. Step 5: Solve for x
   x = 2,402,683.23/2,023.73
6. Step 6: Final answer
   x = 1,187.25