Finding the Fourth Proportional to 3,300.84, 4,961.52 and 2,076.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.84 : 4,961.52 = 2,076.12 : x
2. Step 2: Convert to fraction form
   3,300.84/4,961.52 = 2,076.12/x
3. Step 3: Cross multiply
   3,300.84x = 4,961.52 × 2,076.12
4. Step 4: Simplify right side
   3,300.84x = 10,300,710.90
5. Step 5: Solve for x
   x = 10,300,710.90/3,300.84
6. Step 6: Final answer
   x = 3,120.63