Finding the Fourth Proportional to 2,546.86, 3,820.83 and 791.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546.86 : 3,820.83 = 791.83 : x
2. Step 2: Convert to fraction form
   2,546.86/3,820.83 = 791.83/x
3. Step 3: Cross multiply
   2,546.86x = 3,820.83 × 791.83
4. Step 4: Simplify right side
   2,546.86x = 3,025,433.70
5. Step 5: Solve for x
   x = 3,025,433.70/2,546.86
6. Step 6: Final answer
   x = 1,187.91