Finding the Fourth Proportional to 7,791.96, 11,682.72 and 3,629.64

Step by Step Solution

1. Step 1: Write the proportion equation
   7,791.96 : 11,682.72 = 3,629.64 : x
2. Step 2: Convert to fraction form
   7,791.96/11,682.72 = 3,629.64/x
3. Step 3: Cross multiply
   7,791.96x = 11,682.72 × 3,629.64
4. Step 4: Simplify right side
   7,791.96x = 42,404,067.82
5. Step 5: Solve for x
   x = 42,404,067.82/7,791.96
6. Step 6: Final answer
   x = 5,442.03