Finding the Fourth Proportional to 3,300.82, 4,951.83 and 2,689.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.82 : 4,951.83 = 2,689.88 : x
2. Step 2: Convert to fraction form
   3,300.82/4,951.83 = 2,689.88/x
3. Step 3: Cross multiply
   3,300.82x = 4,951.83 × 2,689.88
4. Step 4: Simplify right side
   3,300.82x = 13,319,813.81
5. Step 5: Solve for x
   x = 13,319,813.81/3,300.82
6. Step 6: Final answer
   x = 4,035.31