Finding the Fourth Proportional to 6,616.98, 9,131.54 and 3,632.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,616.98 : 9,131.54 = 3,632.78 : x
2. Step 2: Convert to fraction form
   6,616.98/9,131.54 = 3,632.78/x
3. Step 3: Cross multiply
   6,616.98x = 9,131.54 × 3,632.78
4. Step 4: Simplify right side
   6,616.98x = 33,172,880.55
5. Step 5: Solve for x
   x = 33,172,880.55/6,616.98
6. Step 6: Final answer
   x = 5,013.30