Finding the Fourth Proportional to 6,601.50, 9,109.62 and 3,617.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,601.50 : 9,109.62 = 3,617.37 : x
2. Step 2: Convert to fraction form
   6,601.50/9,109.62 = 3,617.37/x
3. Step 3: Cross multiply
   6,601.50x = 9,109.62 × 3,617.37
4. Step 4: Simplify right side
   6,601.50x = 32,952,866.10
5. Step 5: Solve for x
   x = 32,952,866.10/6,601.50
6. Step 6: Final answer
   x = 4,991.72