Finding the Fourth Proportional to 2,996.10, 4,470.72 and 2,684.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,996.10 : 4,470.72 = 2,684.79 : x
2. Step 2: Convert to fraction form
   2,996.10/4,470.72 = 2,684.79/x
3. Step 3: Cross multiply
   2,996.10x = 4,470.72 × 2,684.79
4. Step 4: Simplify right side
   2,996.10x = 12,002,908.57
5. Step 5: Solve for x
   x = 12,002,908.57/2,996.10
6. Step 6: Final answer
   x = 4,006.18