Finding the Fourth Proportional to 6,601.32, 9,109.82 and 3,617.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,601.32 : 9,109.82 = 3,617.15 : x
2. Step 2: Convert to fraction form
   6,601.32/9,109.82 = 3,617.15/x
3. Step 3: Cross multiply
   6,601.32x = 9,109.82 × 3,617.15
4. Step 4: Simplify right side
   6,601.32x = 32,951,596.29
5. Step 5: Solve for x
   x = 32,951,596.29/6,601.32
6. Step 6: Final answer
   x = 4,991.67