Finding the Fourth Proportional to 6,648.82, 9,976.16 and 3,528.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,648.82 : 9,976.16 = 3,528.06 : x
2. Step 2: Convert to fraction form
   6,648.82/9,976.16 = 3,528.06/x
3. Step 3: Cross multiply
   6,648.82x = 9,976.16 × 3,528.06
4. Step 4: Simplify right side
   6,648.82x = 35,196,546.63
5. Step 5: Solve for x
   x = 35,196,546.63/6,648.82
6. Step 6: Final answer
   x = 5,293.66