Finding the Fourth Proportional to 6,607.57, 9,904.64 and 4,144.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,607.57 : 9,904.64 = 4,144.12 : x
2. Step 2: Convert to fraction form
   6,607.57/9,904.64 = 4,144.12/x
3. Step 3: Cross multiply
   6,607.57x = 9,904.64 × 4,144.12
4. Step 4: Simplify right side
   6,607.57x = 41,046,016.72
5. Step 5: Solve for x
   x = 41,046,016.72/6,607.57
6. Step 6: Final answer
   x = 6,211.97