Finding the Fourth Proportional to 2,840.52, 3,919.82 and 1,791.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,840.52 : 3,919.82 = 1,791.58 : x
2. Step 2: Convert to fraction form
   2,840.52/3,919.82 = 1,791.58/x
3. Step 3: Cross multiply
   2,840.52x = 3,919.82 × 1,791.58
4. Step 4: Simplify right side
   2,840.52x = 7,022,671.12
5. Step 5: Solve for x
   x = 7,022,671.12/2,840.52
6. Step 6: Final answer
   x = 2,472.32