Finding the Fourth Proportional to 6,601.16, 9,109.59 and 3,617.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,601.16 : 9,109.59 = 3,617.05 : x
2. Step 2: Convert to fraction form
   6,601.16/9,109.59 = 3,617.05/x
3. Step 3: Cross multiply
   6,601.16x = 9,109.59 × 3,617.05
4. Step 4: Simplify right side
   6,601.16x = 32,949,842.51
5. Step 5: Solve for x
   x = 32,949,842.51/6,601.16
6. Step 6: Final answer
   x = 4,991.52