Finding the Fourth Proportional to 6,601.42, 9,109.98 and 3,617.26

Step by Step Solution

1. Step 1: Write the proportion equation
   6,601.42 : 9,109.98 = 3,617.26 : x
2. Step 2: Convert to fraction form
   6,601.42/9,109.98 = 3,617.26/x
3. Step 3: Cross multiply
   6,601.42x = 9,109.98 × 3,617.26
4. Step 4: Simplify right side
   6,601.42x = 32,953,166.25
5. Step 5: Solve for x
   x = 32,953,166.25/6,601.42
6. Step 6: Final answer
   x = 4,991.83