Finding the Fourth Proportional to 6,616.78, 9,131.30 and 3,632.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,616.78 : 9,131.30 = 3,632.82 : x
2. Step 2: Convert to fraction form
   6,616.78/9,131.30 = 3,632.82/x
3. Step 3: Cross multiply
   6,616.78x = 9,131.30 × 3,632.82
4. Step 4: Simplify right side
   6,616.78x = 33,172,369.27
5. Step 5: Solve for x
   x = 33,172,369.27/6,616.78
6. Step 6: Final answer
   x = 5,013.37