Finding the Fourth Proportional to 2,546.58, 3,820.46 and 791.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546.58 : 3,820.46 = 791.49 : x
2. Step 2: Convert to fraction form
   2,546.58/3,820.46 = 791.49/x
3. Step 3: Cross multiply
   2,546.58x = 3,820.46 × 791.49
4. Step 4: Simplify right side
   2,546.58x = 3,023,855.89
5. Step 5: Solve for x
   x = 3,023,855.89/2,546.58
6. Step 6: Final answer
   x = 1,187.42