Finding the Fourth Proportional to 6,597.71, 9,896.69 and 3,085.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,597.71 : 9,896.69 = 3,085.78 : x
2. Step 2: Convert to fraction form
   6,597.71/9,896.69 = 3,085.78/x
3. Step 3: Cross multiply
   6,597.71x = 9,896.69 × 3,085.78
4. Step 4: Simplify right side
   6,597.71x = 30,538,943.16
5. Step 5: Solve for x
   x = 30,538,943.16/6,597.71
6. Step 6: Final answer
   x = 4,628.72