Finding the Fourth Proportional to 6,601.10, 9,109.54 and 3,616.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,601.10 : 9,109.54 = 3,616.98 : x
2. Step 2: Convert to fraction form
   6,601.10/9,109.54 = 3,616.98/x
3. Step 3: Cross multiply
   6,601.10x = 9,109.54 × 3,616.98
4. Step 4: Simplify right side
   6,601.10x = 32,949,009.80
5. Step 5: Solve for x
   x = 32,949,009.80/6,601.10
6. Step 6: Final answer
   x = 4,991.45